Matchstick Puzzles

A Collection

18 July 2011

84. Reduce 6 triangles to 4 triangles

Easy

Medium

Hard

Extreme

Move 3 sticks to form 4 triangles equal in size.

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Welcome

I've always been intrigued by these little sticks with their rounded heads. There are just so many fun things you can do with them...

I started collecting matchstick puzzles a long time ago and have decided to display them all on this blog.

~Cape Town, SA~

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The Puzzles

0001 Fly in Wine Glass [Hard]
0002 Square in Square [Hard]
0003 Roman and Maths [Hard]
0004 Big Square Small Square [Medium]
0005 Farmer and 4 Sons [Hard]
0006 Eight Triangles and Hexagon [Hard]
0007 Egypt [Hard]
0008 Jumping Frogs [Hard]
0009 The Pig and the Tail [Hard]
0010 Easterly Fish Southerly Fish [Medium]
0011. Square 3X3: 14 squares reduced to 5 [Easy]
0012 Crossing Sticks [Hard]
0013 Five Triangles and the Pentagram [Medium]
0014 Tower upside down moving 4 sticks [Medium]
0015 Short and Long [Hard]
0016 Add 5 to form 8 Triangles [Hard]
0017 Square 2X2: Move 4 to form 10 Squares [Hard]
0018 Square 1X1: Add 4 to create 4 Triangles and 2 Squares [Extreme]
0019 Triangle 3X3: Remove 3 leaving 7 Triangles [Medium]
0020. 5 Equal Squares: Remove 3 leaving 3 Squares [Easy]
0021 The King and his Guards [Medium]
0022 The ONE Puzzle [Easy]
0023 6 Sticks Touching [Hard]
0024 14 Squares reduced to 3 [Medium]
0025 Square 2X2 : Remove 2 leaving 2 Squares [Easy]
0026 The farmer and his 5 sons [Hard]
0027 Squares 2X2: Move 4 creating 3 equal sized Squares [Medium]
0028 Move 3 creating 4 equal sized Squares [Hard]
0029 Square 2X2: Move 2 to create 7 Squares [Medium]
0030 The farmer and his 6 sons [Hard]
0031 Square 2X2: Remove 3 and Move 2 to form 3 Squares [Hard]
0032 Square 2X2: Move 3 to create 3 squares [Easy]
0033 Square 2X2: Remove 1 and move 4 to create 11 Squares [Medium]
0034. The farmer and his 8 sons [Hard]
0035 Create 3 Groups of 8 Sticks in each Group [Hard]
0036 Star of David : Move 2 to form 6 Triangles [Medium]
0037. Square 1X1 : Add 5 creating 6 Squares [Medium]
0038. 7 Triangles reduced to 3 [Easy]
0039. 3 Triangles changed to 5 by moving 3 [Medium]
0040. Digital Mirror Image [Hard]
0041. Move 3 creating 9 Squares [Medium]
0042. 6 Squares reduced to 5 [Hard]
0043. Maze 5X5 : Move 4 creating 3 Squares [Medium]
0044. Remove 3 leaving no Triangles [Medium]
0045. Turn matchsticks in the circle [Hard]
0046. Reduce 6 Triangles to 3 [Medium]
0047. 6 Farms to 6 Farms [Extreme]
0048. 13 Squares Reduced to 8 [Medium]
0049. EAT and ATE and TEA [Medium]
0050. Vertical Horizontal and Diagonal Rows [Hard]
0051. Land Water and Island [Hard]
0052. Dividing the Sphinx [Hard]
0053. Oil and No Oil [Medium]
0054. Adding Sticks without forming a Square [Easy]
0055. Square 4X4 : How many Squares [Medium]
0056. 25 Broken matchsticks adding up to 15 [Medium]
0057. Dividing Figure and put together to form a Rectangle [Hard]
0058. Reduce 5 Squares to 4 [Extreme]
0059. Reduce 6 Squares formed by Crosses to 3 Squares [Easy]
0060. Black and White Knights [Hard]
0061. Roman numerals: 12 changed to 7 [Easy]
0062. Farmer and Neighboring Sons [Hard]
0063. House fronting West [Easy]
0064. Roman numeral: Tongue in the cheek [Easy]
0065. 3 Squares using 8 Sticks [Easy]
0066. Move 3 sticks creating 5 squares [Easy]
0067. Divide Trapezoid into 7 equal sized Areas [Hard]
0068. Crosses in Circle [Medium]
0069. Squares forming L [Medium]
0070. Triangle 3X3 : Remove 6 Matchsticks leaving no Triangles [Easy]
0071. Add 5 Matchsticks to make 9 [Easy]
0072. Triangle 2X2 : Move 2 creating 3 Triangles [Easy]
0073. Roman Numerals: 1 minus 3 is not 2 [Medium]
0074. The Letter A [Hard]
0075. 3 Rectangles converted into 6 Squares [Easy]
0076. Add 2 and Divide into 2 Equal Sized Figures [Medium]
0077. Form 8 Triangles [Hard]
0078. Change the Cross [Hard]
0079. Forming 3 Squares [Easy]
0080. Square 3X3 : Remove 11 leaving 3 Squares [Easy]
0081. Roman 13 Changed to 8 [Medium]
0082. Divide Figure into 4 Parts [Medium]
0083. Triangle 3X3 : Remove 3 Leaving no Triangles [Easy]
0084. Reduce 6 triangles to 4 triangles [Medium]
0085. Chair Fell Over [Hard]
0086. Farms and Windmills and Oil Drills and Boreholes [Hard]
0087. Peace Love in the World [Easy]
0088. Divide into 2 Equal Shapes using 4 Matchsticks [Hard]
0089. Cross on the Church [Medium]
0090. Remove 4 leaving 4 Triangles [Easy]
0091. Another fly in the wine glass [Hard]
0092. Create 3 squares with 8 sticks [Hard]
0093. Convert 4 Triangles to 3 Squares {Medium]
0094. Roman numeral 11 changed to 6 [Easy]
0095. Matchstick Sudoku [Medium]
0096. Subtracting Triangles [Extreme]
0097. Triangle reduced to 3 square units [Hard]
0098. Create 2 Squares Moving 2 Matchsticks [Medium]
0099. Roman numerals: 7 plus 1 is not 1 [Easy]
0100. Remove 4 leaving 4 Triangles [Easy]
0101. 4X4 Square : Remove 8 sticks leaving 6 squares [Medium]
0102. Roman numerals: 7 minus 2 = 2: Move 2 [Medium]
0103. Snake to Squares [Hard]
0104. The 8 As [Extreme]
0105. Fish swimming in opposite Direction [Hard]
0106. Change to One [Hard]
0107. Remove 6 Leaving 2 Squares [Medium]
0108. The Numbers 1 to 8 in Squares [Hard]
0109. 3X3 Squares: Remove 8 leaving 2 Squares [Easy]
0110. 1X1 Square : Add 16 creating 5 equal Squares [Hard]
0111. Ten and Eleven [Medium]
0112. Remove 8 leaving 6 squares [Medium]
0113. The Farmer Four Sons Diamonds and Gold [Hard]
0114. Forming 5 groups with 3 matchsticks in each group [Hard]
0115. 3X3 Triangle. Remove 5 sticks leaving 4 Triangles [Medium]
0116 Add 17 sticks to form 7 Squares [Extreme]
0117. The King and his Guards: Remove 2 Guards [Hard]
0118. Roman numerals : 4-2 is not 5: Move 1 [Easy]
0119. Treasure Rooms and Treasures [Hard]
0120. Numeric Puzzle : 3X3=5 : Move 1 [Medium]
0121. Create 3 square units with 12 sticks [Extreme]
0122. Broken sticks add up to 25 [Hard]
0123. The Farmer Four Sons and Oil Drills [Hard]
0124. Move 1 stick creating 6 Squares [Medium]
0125. Turn around sticks moving 2 at a time [Hard]
0126. Change cross into 4 squares [Medium]
0127 Square 3X3: Move 8 sticks to form 3 squares of different sizes [Hard]
0128 Turn around matchsticks in a circle [Hard]
0129. Rectangle 3X2 : Remove 3 leaving 4 equal squares [Easy]
0130. The King and his Guards: Remove 4 Guards
0131. Triangle 3X3 : Remove 7 leaving 5 triangles [Medium]
0132. Sticks in a row : Form 8 Squares [Hard]
0133. Triangular Prism [Extreme]
0134. Triangle 2X2 : Remove 2 leaving 2 triangles [Easy]
0135. Chair facing to the right [Hard]
0136. Roman numerals: 10 minus 1 = 1: Move 1 [Hard]
0137. Square 3X3 : Remove 11 leaving 4 equal squares [Medium]
0138. Sticks in a row : Turn 3 at a time [Hard]
0139. Another Egypt [Hard]
0140. Triangle 3X3 : Remove 3 leaving 7 Triangles [Easy]
0141. Number Puzzle : 3 plus 3=5 Move 1 [Easy]
0142. Create 5 Diamonds [Hard]
0143. Proof that 4 plus 2 is NIL [Easy]
0144. Square 4X4 : Remove 5 leaving 6 equal squares [Medium]
0145. Roman numerals: 1 and 2 and 3 = 4 : Move 1 [Hard]
0146. 5 Squares : Move 4 creating 3 squares [Hard]
0147. Three Diamonds to Four Triangles [Easy]
0148. Rectangle 4X2 : Remove 6 leaving 6 equal squares [Medium]
0149. Square 1X1 : Add 4 creating 4 triangles and 1 square [Hard]
0150. Triangle 3X3 : Move 5 creating 5 triangles [Medium]
0151. Change 5 squares to 4 by moving 2 sticks [Medium]
0152. Roman numerals: 2 plus 2 is not 1 [Easy]
0153. Triangle 3X3 : Move 1 leaving 9 triangles [Easy]
0154. Duplicate the Arrow [Easy]
0155. Remove squares to form equal areas [Hard]
0156. Roman numerals: 2 plus 1 is not 1 [Easy]
0157. Chair lying on its back [Hard]
0158. Square 3X3 : Remove 6 leaving 3 unequal squares [Medium]
0159. Small diamonds to big diamond [Easy]
0160. Triangle 2X2 : Move 2 forming 2 triangles [Easy]
0161. Move 3 to create 3 triangles [Medium]
0162. Roman numerals: 3 minus 1 is not 3 [Easy]
0163. Change 3 triangles to 4 triangles using 7 sticks [Hard]
0164. Rectangle 3X2 : Remove 4 sticks leaving 3 squares [Easy]
0165 From Wine Glasses to a House [Medium]
0166 Triangle 3X3 : Remove 1 leaving 10 triangles [Easy]
0167. The farmer and his paddocks [Medium]
0168. Squares : Move 11 sticks to change 7 squares to 10 [Medium]
0169. The farmer and his paddocks : move only 3 sticks [Medium]
0170. Change Roman Numeral 7 to 1 [Hard]
0171. Squares: Remove 10 leaving 4 equal squares [Medium]
0172. Rhombus Square and Parallelogram [Medium]
0173. All the right angles [Medium]
0174. Rhomboid and Rhombus [Medium]
0175 Four sticks in each row and column [Medium]
0176. Rectangle 3X2: Remove 5 leaving 3 equal squares [Easy]
0177. Number Puzzle: 9-8=15: Move 1 [Medium]
0178. Double-crossed matchsticks [Hard]
0179. Move 4 to form 3 rhombuses [Medium]
0180. Rectangle 4X2: Remove 7 leaving 6 squares [Easy]
0181. Forming 8 nodes [Extreme]
0182. 7 Equal squares reduced to 5 equal squares [Hard]
0183. Roman numerals: 3 minus 2 is not 5 [Easy]
0184. Key to squares [Medium]
0185. Rectangle 3X2: Remove 4 leaving 4 equal squares [Easy]
0186. Divide triangle into 3 equal parts [Hard]
0187. Changing 3 to 9 [Easy]
0188. Create 4 triangles using 6 matchsticks [Hard]
0189. Create 9 rhombuses adding 12 sticks [Hard]
0190. Count the squares [Easy]
0191. Squares : Increase 7 squares to 9 [Medium]
0192. Mathematical : 99 minus 59 is not 10 [Easy]
0193. Squares 4X4: Remove 16 leaving 2 squares of equal size [Hard]
0194. Forming 7 squares with 24 sticks [Medium]
0195. Create a 3 dimensional cube moving 3 sticks [Medium]
0196. Rectangle 4X2 : Remove 10 leaving 3 squares [Easy]
0197. Two plus one is three [Easy]
0198. Move 1 stick creating 8 squares [Medium]
0199. Create 3 parallelograms and 2 triangles [Hard]
0200. Big squares and small squares [Medium]
0201. A rhombus and a triangle [Easy]
0202. No squares to 2 squares [Medium]
0203. Rectangle 4X2 : Remove 10 leaving 5 squares [Easy]
0204. Mathematical : 1 plus 2 minus 3 is not 199 [Extreme]
0205. Move 2 creating 4 rectangles and 2 squares [Medium]
0206. Square 4X4: Remove sticks leaving no squares [Medium]
0207. Star to 6 rhombuses [Easy]
0208. Move 3 creating 4 equal squares [Hard]
0209. Tree to fish [Easy]
0210. Square 3X3: Move 2 creating 4 squares [Easy]
0211. Turn 7 sticks pointing downwards [Hard]
0212. Divide the Factory [Extreme]
0213. Change the L into 4 squares [Medium]
0214. Triangle 3X3: Remove 4 leaving 7 triangles [Medium]
0215. Squares in squares [Medium]
0216. Create 6 rhombuses and 6 triangles [Hard]
0217. Rearrange 24 matchsticks [Medium]
0218. Square 4X4: Remove 9 leaving 7 rectangles [Hard]
0219. Move 2 to create 6 squares [Easy]
0220. Mathematical : 9 plus 2 is not equal to 5 plus 1 [Medium]
0221. Move 2 and create 2 squares [Easy]
0222. Move 3 creating 3 squares [Medium]
0223. Triangle 3X3: Remove 5 leaving 5 equal triangles [Easy]
0224. Form a 3X5 rectangle [Hard]
0225. Move 1 to create 5 rectangles [Medium]
0226. Move 4 sticks to create 4 equal squares [Hard]
0227. Square 3X3: Move 3 creating 7 equal squares [Medium]
0228. Remove 7 sticks leaving 4 equal squares [Easy]
0229. The 23 matchsticks [Hard]
0230. Move 4 to form 5 squares [Easy]
0231. Move 4 to create 7 squares [Medium]
0232. Remove 6 leaving 3 equal squares [Easy]
0233. Create 6 rhombuses [Hard]
0234. One equals Seven [Hard]
0235. Move 2 creating 6 squares [Easy]
0236. Africa [Hard]
0237. Move 4 to create 7 squares [Medium]
0238. Square 3X3: Move 2 creating 7 squares [Medium]
0239. Move 6 and create 6 squares [Hard]
0240. Create 3 rhombuses from 3 triangles [Easy]
0241. Value of ? [Hard]
0242. Move 4 sticks to create 9 squares [Easy]
0243. Route map: The hexagon [Medium]
0244. Square 5X5: count the squares [Medium]
0245. Move 4 creating 3 squares [Medium]
0246. Roman numerals: 10 plus 10 is not equal to 10 [Easy]
0247. Move 2 sticks to create 6 unequal triangles [Medium]
0248. Turn the snake into squares [Easy]
0249. Move 3 to create 8 squares [Easy]
0250. Small and big squares [Medium]
0251. Convert the key into 5 squares [Hard]
0252. Add 5 sticks to create 8 squares [Easy]
0253. Matchstick Nodes: Three sticks [Hard]
0254. Form the correct equation [Hard]
0255. Remove 1 to leave 3 squares [Easy]
0256. Letters between the lines [Hard]
0257. Move 4 to create 4 squares [Medium]
0258. Square 2X2: Move 4 creating 2 squares [Easy]
0259. Northerly Fish Southerly Fish [Hard]
0260. Remove 3 sticks leaving 5 squares [Easy]
0261. Remove 22 sticks leaving 4 equal squares [Medium]
0262. Triangle 3X3 : Remove 6 leaving 3 triangles [Easy]
0263. Move 1 stick to create 8 squares [Medium]
0264. Square 4X4: Remove 4 Leaving 14 squares [Easy]
0265. Move 4 to create 5 triangles [Easy]
0266. Create 6 rhombuses and 1 triangle [Hard]
0267. Move 5 to create 7 squares [Medium]
0268. Roman Numerals: 5 minus 5 is not 5 [Easy]
0269. Move 6 to create 18 parallelograms [Medium]
0270. Double the size [Easy]
0271. Mathematical: 1 plus 1 is 2 [Hard]
0272. Move 2 to create 4 squares [Easy]
0273. Triangle 3X3: Remove 7 leaving 3 triangles [Easy]
0274. Divide into 2 equal halves [Hard]
0275. Move 6 to create 4 equal squares [Medium]
0276. Move 2 to create 2 squares [Medium]
0277. Move 8 to create 18 squares [Easy]
0278. Create 2 squares and 5 rectangles [Hard]
0279. Remove 16 leaving 13 squares [Medium]
0280. Moving adjacent matchsticks [Hard]
0281. Remove 4 leaving 7 squares [Easy]
0282. Mathematical: 8 plus 3 is not 7 [Medium]
0283. Move 4 to create 17 squares [Easy]
0284. Move 3 to create 3 triangles [Medium]
0285. Thirty minutes past four [Hard]
0286. Triangle 3X3: Remove 8 leaving 2 triangles [Easy]
0287. Move 2 creating 4 squares [Easy]
0288. Create TWO by removing 5 matchsticks [Easy]
0289. Move 4 to create 9 squares [Medium]
0290. Move 1 to create 5 squares [Easy]
0291. Mathematical: 3 plus 8 is not zero [Medium]
0292. Move 6 to create 14 squares [Medium]
0293. Move 4 to create 4 equal squares [Medium]
0294. Mathematical: Move 1 and remove 1 [Easy]
0295. Move 4 to create 6 triangles [Easy]
0296. The funny structure [Extreme]
0297. House fronting East [Easy]
0298. Move 2 leaving no squares [Medium]
0299. Mathematical: 6 minus 6 is not equal to 8 [Hard]
0300. The Donkey [Hard]
0301. Move 2 to create 8 squares [Easy]
0302. The swimming pool and the trees [Hard]
0303. Six to nil [Easy]
0304. School of Fish [Hard]
0305. Divide the square [Hard]
0306. Reduce the squares [Easy]
0307. Move 4 to create 4 triangles [Easy]
0308. Reduce the cubes [Hard]
0309. All the parallelograms [Medium]
0310. Move 4 to create 6 squares [Easy]
0311. Roman numerals: 10 plus 10 is not equal to 5 [Easy]
0312. Move 8 to form 10 squares [Hard]
0313. Rectangle 4X2: Move 3 to create 6 squares [Medium]
0314. Roman numerals: 5 plus 5 is not equal to 9 [Medium]
0315. Letters to structures [Hard]
0316. Square 3X3: Remove 6 leaving 3 squares [Easy]
0317. Move 2 to create 6 triangles [Easy]
0318. Move 3 to create 3 triangles [Easy]
0319. Move 6 to create 17 squares [Extreme]
0320. Mathematical: Move 2 and statement is still true [Medium]
0321. Divide the triangle [Medium]
0322. Move 4 to create 12 squares [Easy]
0323. Move 1 to create 2 squares [Easy]
0324. Triangle 3X3: Remove 6 leaving 5 triangles [Easy]
0325. Rectangle 5X2: Remove 3 leaving 7 squares [Medium]
0326. Mathematical: 14 plus 7 minus 4 is not 11 [Hard]
0327. Triangles to no triangles [Hard]
0328. Move 1 to create 4 [Easy]
0329. Move 2 to create 10 squares [Easy]
0330. Move 2 to create 4 triangles [Medium]
0331. Move 3 to fix the equation [Hard]
0332. Move 2 to create 11 squares [Easy]
0333. Mathematical: 9 times 2 is not 7 plus 8 [Medium]
0334. Move 4 to create 9 squares [Easy]
0335. The coffee table and the chair [Medium]
0336. Parallelograms in abundance [Medium]
0337. Remove 2 leaving 6 squares [Easy]
0338. Route map: 5 Triangles [Medium]
0339. Reduce the squares from 4 to 2 [Hard]
0340. Move 4 and create 10 triangles [Hard]
0341.The 5 trapezoids [Medium]
0342. Move 7 to create 7 rhombuses [Hard]
0343. Get 4 triangles [Hard]
0344. Cube to triangles [Easy]
0345. Divide the land into 4 parts [Hard]
0346. Unbalanced Structure [Hard]
0347. Move 6 to create 10 squares [Medium]
0348. Mathematical: Take away 4 to make equation true [Medium]
0349. Ice cream cone [Hard]
0350. Odd one out [Medium]
0351. Move 2 to create 7 squares [Easy]
0352. Move 5 to create 3 rhombuses [Medium]
0353. Roman numerals: 6 plus 2 is not 5 [Easy]
0354. Divide the figure into 2 equal areas [Medium]
0355. Move 4 to create 5 rhombuses [Hard]
0356. Move 1 to make equation true [Easy]
0357. Staggered triangles [Hard]
0358. Move 1 to create 3 squares [Easy]
0359. Change the arrows [Medium]
0360. Creating a circle [Hard]
0361. Noughts and crosses board [Easy]
0362. Move 3 to create 4 rhombuses [Hard]
0363. Moving geometric shapes [Hard]
0364. Reduce the area to 5 square units [Easy]
0365. The farmer and his 4 sons and windmills [Medium]
0366. Digital Clock: 6H27 am [Medium]
0367. Mathematical: 3 minus 2 is not 9 {Medium]
0368. Move 4 to create 6 squares [Medium]
0369. Reduce area to 5/9 of original [Hard]
0370. Remove 4 to create 5 squares [Medium]
0371. Mathematical: 7 plus 1 is not 0 [Hard]
0372. Create 4 triangles [Hard]
0373. Move 4 to create 6 squares [Medium]
0374. Pentomino shapes in a row [Easy]
0375. Cocktail to house [Medium]
0376. Missing triangles in a row [Extreme]
0377. Triangle 3X3: Remove 6 leaving 3 rhombuses [Easy]
0378. Garden spade and fork [Medium]
0379. Rhombus and square [Medium]
0380. Big and small square [Easy]
0381. Move 6 to drive a Mitshubishi [Easy]
0382. Divide into 6 shapes [Hard]
0383. Roman Numerals: 6 minus 4 is not 9 [Easy]
0384. Move 2 to create 6 triangles [Medium]
0385. Matchstick somersault [Medium]
0386. Reduce the area to 6 square units [Easy]
0387. Series of matchsticks [Extreme]
0388. Snake to 2 squares [Medium]
0389. The 5 smaller farms [Medium]
0390 Transparent 98 [Hard]
0391. Square 3X3: Move 5 to create 4 squares [Hard]
0392. Vertical Symmetry [Hard]
0393. Rectangle 4X2: Remove 4 to create 5 squares [Easy]
0394. Mathematical: 5 minus 2 is not 8 [Medium]
0395. Triangle 4X4: Move 4 to create 2 triangles [Easy]
0396. The cross [Medium]
0397. Route map: 4 squares [Easy]
0398. Two glasses [Medium]
0399. Remove 3 to create 7 equal squares [Medium]
0400. Add 4 to create 18 squares [Hard]
0401. Create 2 squares [Medium]
0402. Reduce from 5 to 4 square matchsticks [Hard]
0403. House from a different angle [Easy]
0404. Divide into 2 equal pieces [Extreme]
0405. Move 3 to create 5 squares [Medium]
0406. The hidden square [Medium]
0407. Rectangle 4X2: Remove 5 to create 4 squares [Easy]
0408. Move 3 to create 2 squares [Medium]
0409. Mathematical: 7 minus 6 is not 4 [Hard]
0410. Square 3X3: Remove 8 to form 3 squares [Medium]
0411. Triangle 3X3: Reduce size to one third [Medium]
0412. Reduce from 4 to 3 square matchsticks [Extreme]
0413. Break the ladder [Easy]
0414. Add 4 to create 10 squares [Medium]
0415. Triangle 3X3: Remove 7 leaving 4 triangles [Easy]
0416. The 100 metres [Hard]
0417. Double the area [Easy]
0418. Two small and one big triangle [Medium]
0419. Move 2 to create 3 triangles [Medium]
0420. Mathematical: 7 minus 9 is not 3 [Easy]
0421. Move 3 to create 6 squares [Medium]
0422. Square 3X3: Remove 4 leaving 6 squares [Easy]
0423. Mathematical: 6 minus 9 is not 6 [Medium]
0424. Reduce from 4 to 2 square matchsticks [Extreme]
0425. Convert the snake into 3 squares [Hard]
0426. Convert the snake into 2 squares [Hard]
0427. Form 8 rows of 5 matchsticks [Hard]
0428. Mathematical: 1 minus 1 is not 3 [Hard]
0429. Rectangle 4X2: Take away 5 to create 4 squares [Easy]
0430. Move 3 to create 5 squares [Easy]
0431. Dominoes in a rectangle [Medium]
0432. Triangle 3X3: Take away 2 leaving 8 triangles [Easy]
0433. Mathematical: 8 plus 9 is not 4 [Medium]
0434. Matchstick heads only [Easy]
0435. Move 4 to create 4 unequal squares [Medium]
0436. Bridge over river [Hard]
0437. Triangle 3X3: Remove 9 leaving 2 unequal triangles [Medium]
0438. Move 2 to create 6 squares [Easy]
0439. Move 4 to create 2 equal shapes [Medium]
0440. Square 3X3: Take away 8 to leave 4 squares [Easy]
0441. Bridge over water [Hard]
0442. Empty portrait frames [Medium]
0443. Find the 3 whole numbers [Medium]
0444. Mathematical: 3 plus 3 is not 8 [Easy]
0445. House to squares [Hard]
0446. Next square in the row [Hard]
0447. Add 2 to create 5 triangles [Easy]
0448. Mathematical: 3 plus 7 is not 8 [Medium]
0449. Move 4 and create 11 triangles [Medium]
0450. Remove 6 to leave 6 squares [Easy]
0451. Create 3 equal squares[Medium]
0452. Divide into 2 equal shapes [Hard]
0453. All the arrows [Easy]
0454. Square 3X3: Take away 4 leaving 9 squares [Medium]
0455. Skiing out of control [Easy]
0456. Mathematical: 4 minus 4 is not 1 [Hard]
0457. Triangle 3X3: Remove 4 leaving 4 triangles [Easy]
0458. Move 2 to create 6 squares [Easy]
0459. The Horse [Easy]
0460. Spokes to triangles [Easy]
0461. Create 4 equal shapes [Medium]
0462. Move 6 to create 4 squares [Medium]
0463. Change to equal ratio [Medium]
0464. Mathematical: 4 plus 3 is not 6 [Easy]
0465. Remove 12 to form 3 squares [Easy]
0466. From 0 to 7 triangles [Hard]
0467. Building with blocks [Medium]
0468. Move 4 to create 2 squares [Medium]
0469. Broken matchstick migration [Medium]
0470. Roman numerals: 5 minus 4 is not 4 [Hard]
0471. Mathematical: 6 minus 4 is not 7 [Easy]
0472. Rectangle 3X2: Move 3 to create 5 squares [Medium]
0473. The matching pair [Easy]
0474. Polygon with 7 sides [Hard]
0475. Rectangle 4X2: Take away 7 [Easy]
0476. Increase the crossings [Medium]
0477. Ten Triangles [Hard]
0478. Divide into 3 shapes [Medium]
0479. Reduce the area to 8 [Medium]
0480. Triangle 3X3: Remove 3 to leave 9 [Easy]
0481. Move 4 to create 5 triangles [Medium]
0482. Mathematical: 7 minus 0 is not 6 [Hard]
0483. Odd one out [Extreme]
0484. The 12 matchstick challenge [Hard]
0485. Rectangle 4X2: Take away 9 to leave 4 squares [Easy]
0486. Divide into 2 equal parts [Medium]
0487. The next number [Extreme]
0488. Four equal squares [Easy]
0489. Mathematical: 1 plus 3 is not 2 [Medium]
0490. Move 3 to form 9 squares [Medium]
0491. Triangle 3X3: Remove 6 leaving 3 triangles [Medium]
0492. Pathway with 7 matchsticks [Medium]
0493. Divide the grid into the ratio 1:4:4 [Easy]
0494. Move 3 to create 14 squares [Medium]
0495. Rectangle 4X2: Remove 8 leaving 4 squares [Easy]
0496. Triangle 4X4: Reduce to one quarter [Hard]
0497. Mathematical: 1 plus 4 is not 6 [Medium]
0498. Link between rows [Extreme]
0499. Rectangle 3X2: Move 3 to create 5 squares [Medium]
0500. Matchstick Grid: Count the heads [Medium]
0501. Remove 1 leaving 9 squares [Easy]
0502. Pathway with 19 matchsticks [Hard]
0503. Relationship of 4 figures [Hard]
0504. Move 2 to create 9 squares [Easy]
0505. Mathematical: 8 minus 5 is not 7 [Easy]
0506. Triangle 3X3: Take away 6 [Easy]
0507. Divide square into 4 equal parts [Hard]
0508. Move 2 to create 6 squares and 4 rectangles [Hard]
0509. Mathematical: 3 minus 0 is not 5 [Easy]
0510. Take away 4 to leave 5 squares [Easy]
0511. Only 1 head in each node [Medium]
0512. The 7 small triangles [Hard]
0513. Rectangle 4X3: Remove 4 to create 8 squares [Medium]
0514. Divide square into 4 equal parts [Hard]
0515. Mathematical: 4 minus 7 is not 6 [Medium]
0516. Triangle 3X3: Take away 3 to leave 6 triangles [Easy]
0517. Increase the inner triangles [Medium]
0518. Rectangle 4X3: Remove 3 to leave 9 squares [Medium]
0519. Move 1 to create 2 squares [Easy]
0520. Equal to two [Easy]
0521. Three numerical rows [Hard]
0522. Mathematical: 3 minus 6 is not 1 [Medium]
0523. Balance the scale: Add 1 [Medium]
0524. Invalid Roman numeral [Medium]
0525. Move 3 to create 9 squares [Medium]
0526. Move to create 2 squares [Easy]
0527. Windmill to 8 triangles [Easy]
0528. Mathematical: 8 minus 2 is not 4 [Hard]
0529. Take away 4 to leave 7 squares [Easy]
0530. Square 3X3: Remove 6 leaving 5 squares [Medium]
0531. Move 4 to create 6 squares [Medium]
0532. The 3 square matchsticks [Hard]
0533. Reversed Tic-Tac-Toe [Easy]
0534. Count the triangles [Easy]
0535. Smallest number [Medium]
0536. Seven sections [Medium]
0537. Reduce the area to 8 [Medium]
0538. Mathematical: 5 plus 1 is not 2 [Hard]
0539. Rectangle 4X3: Remove 4 to leave 10 squares [Easy]
0540. Two triangles [Easy]
0541. The TOWN named OE [Medium]
0542. One third [Hard]
0543. Four to two triangles [Hard]
0544. Move 3 to form 2 squares [Easy]
0545. Divide into two identical pieces [Medium]
0546. Change to two [Easy]
0547. Pathway with 14 matchsticks [Hard]
0548. Mathematical: 9 minus 0 is not 1 [Easy]
0549. Divide the square into 2 parts [Extreme]
0550. Move 3 to form 4 squares [Hard]
0551. Route map: 1- and 2-way roads [Medium]
0552. Change the ratios [Easy]
0553. Mathematical: 5 minus 9 is not 7 [Medium]
0554. Count the 4-sided figures [Medium]
0555. Change the 3:4:5 ratio to 1:3:8 [Medium]
0556. Letters and Numbers [Hard]
0557. Turn the direction [Medium]
0558. Move 1 and still have 5 squares [Easy]
0559. Divide into 4 areas [Medium]
0560. Find the next number [Hard]
0561. Pathway with 7 matchsticks revisited [Medium]
0562. Mathematical: 5 minus 1 is not 1 [Easy]
0563. Square 3X3: Take away 8 [Easy]
0564. Triangle 3X3: Remove 6 [Easy]
0565. Move 2 to form 2 triangles [Easy]
0566. Matchstick Grid: Diagonal heads [Medium]
0567. The wood log problem [Extreme]
0568. Change to numerical equation [Hard]
0569. Divide into 4 areas [Hard]
0570. The biggest number [Easy]
0571. Change the 2:3:4 ratio to 1:1:1 [Easy]
0572. Mathematical: 4 minus 7 is not 8 [Medium]
0573. The third grader puzzle [Easy]
0574. Triangle 3X3: Remove 4 leaving 6 triangles [Easy]
0575. Three matchstick node notations [Hard]
0576. Divide into 4 areas [Hard]
0577. One square [Easy]
0578. Remove 3 leaving 3 triangles [Easy]
0579. Mathematical: 6 plus 0 is not 7 [Medium]
0580. Divide the rectangle in ratio 3:4:5 [Medium]
0581. Remove 6 leaving 3 squares [Easy]
0582. Mathematical: 4 plus 5 is not 5 [Hard]
0583. Divide the square [Hard]
0584. The four rectangles [Hard]
0585. Four-sided figures [Medium]
0586. Little square and rectangle [Extreme]
0587. Mathematical: 0 minus 5 is not 1 [Easy]
0588. Route Map: Change one direction [Medium]
0589. Missing number [Extreme]
0590. Balance the scale: Move 1 [Hard]
0591. Mathematical: 8 plus 7 is not 5 [Medium]
0592. Increase the inner triangles [Medium]
0593. Divide into 3 shapes [Extreme]
0594. Mathematical: 8 minus 3 is not 3 [Easy]
0595. Polygon with 8 sides [Hard]
0596. M for Matchstick [Medium]
0597. Not Roman numerals [Easy]
0598. Three squares and four rectangles [Medium]
0599. Mathematical: 3 minus 9 is not 9 [Hard}
0600. The clock and the number [Hard]
0601. Rectangle 3X2: Remove 6 [Easy]
0602. Divide into 3 equal parts [Medium]
0603. Move 3 to create 2 rhombuses [Medium]
0604. Mathematical: 5 minus 4 is not 3 [Easy]
0605. Five matchsticks in a row [Medium]
0606. Nodes: 4 matchsticks [Medium]
0607. Mathematical: 4 - 0 is not 7 [Medium]
0608. Spot the twins [Easy]
0609. Five to two squares [Medium]
0610. Mathematical: 9 minus 6 is not 4 [Hard]
0611. Heads and squares [Hard]
0612. Ship to Triangles [Medium]
0613. Five to six squares [Medium]
0614. Divide the area [Easy]
0615. Mathematical: 2 minus 2 is not 5 [Medium]
0616. Five to three squares [Medium]
0617. Change the matchstick heads [Medium]
0618. Mathematical: 4 minus 0 is not 5 [Medium]
0619. Mathematical: 7 minus 2 is not 8 [Easy]
0620. Divide into two parts [Medium]
0621. Divide into two parts [Easy]
0622. The uncompleted square [Medium]
0623. Four to three equal triangles [Easy]
0624. One minus one is not one [Medium]
0625. Take away two [Easy]
0626. Create six equal squares [Hard]
0627. The upside down CAT [Medium]
0628. The kneeling man [Easy]
0629. Remove four to leave no triangles [Medium]
0630. Triangle reduced to 5 square units [Easy]
0631. Mathematical: 4 plus 0 is not 0 [Hard]
0632. Move two to create two squares [Easy]
0633. Move three to create three [Hard]
0634. Triangle reduced to 4 square units [Hard]
0635. Two is not equal to six [Medium]
0636. Move two to create two squares [Easy]
0637. The sand timer [Hard]
0638. Create 5 triangles [Medium]
0639. From three to two squares [Easy]
0640. Big and small squares [Medium]
0641. Three different squares [Hard]
0642. Stacked triangles [Medium}
0643. Cup and saucer [Medium]
0644. Polygon with 7 sides [Hard]
0645. Fix the equation [Extreme]
0646. Cross to squares [Hard]
0647. Rugby [Medium]
0648. Divide into 2 parts [Easy]
0649. Three-way bridge [Hard]
0650. Three squares different in size [Medium]
0651. Three square units [Medium]
0652. Three square units extreme [Extreme]
0653. The farmer and his 4 sons [Medium]
0654. Increase the inner triangles [Hard]
0655. Four to six squares [Easy]
0656. Three right angles [Medium]
0657. Change the 2:3:4 ratio to 2:2:5 [Easy]
0658. Mathematical: 0 minus 3 is not 7 [Medium]
0659. Triangle 3X3: Remove 6 leaving 0 triangles [Easy]
0660. Six to five equal triangles [Medium]
0661. Reduce from 4 to 3 square matchsticks [Hard]
0662. Mathematical: 5 minus 3 is not 4 [Medium]

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