Calculating
| 1. | In the Square: 0.5 squared, 0.2 squared, square root of 0.25 | |
| 2. | In the Square: 0.1 squared, 0.9 squared, square root of 0.36 | |
| 3. | Signs & Numbers: 905 * 125 | |
| 4. | Changing Numbers: 21.453x10, +10.001, -1.1 x 0.1 | |
| 5. | Changing Numbers: 947.01÷0.01, +0.01, -0.01, x0.01 | |
| 6. | Number Detectives: ab= 126 a+b= 25 | |
| 7. | Number Detectives: LCM of 25 & 30 | |
| 8. | Changing numbers: Addition/subtraction using negative integers | |
| 9. | In the square: 49+ * +6=57 | |
| 10. | In the square: * +16+15=240 | |
| 11. | In the square: 36+289+ * =87 | |
| 12. | In the square: * + 81+5=47 | |
| 13. | In the square: 64+361+ * =196 | |
| 14. | Make 13 18+34+* | |
| 15. | Make -5 27+9+* | |
| 16. | Make 29 37+20+* | |
| 17. | Make -8 42+16+* | |
| 18. | Make 32 29+12+* | |
| 19. | Add these three numbers 84+-11+-16 | |
| 20. | Add these three numbers -19+55+-26 | |
| 21. | Add these three numbers -17+-28+34 | |
| 22. | Add these three numbers -41+-35+47 | |
| 23. | Add these three numbers 46+13+14 | |
| 24. | In the square: Calculate with squares and square roots | |
| 25. | In the square: Calculate with squares and square roots | |
| 26. | In the square: Calculate with squares and square roots | |
| 27. | In the square: Calculate with squares and square roots | |
| 28. | In the square: Calculate with squares and square roots | |
| 29. | Adding the big ones: Write missing numbers in vertical additions | |
| 30. | Adding the big ones: Write missing numbers in vertical additions | |
| 31. | Adding the big ones: Write missing numbers in vertical additions | |
| 32. | Adding the big ones: Write missing numbers in vertical additions | |
| 33. | Adding the big ones: Write missing numbers in vertical additions | |
| 34. | Changing numbers 14 697 x 0.1, + 6328, div. by 0.5 | |
| 35. | Changing numbers 35 942 x 20, + 7 487, div. by 0.1 | |
| 36. | Changing numbers 4376 x 0.01, + 85 299, div. by 0.1 | |
| 37. | Double up and add 2.87 | |
| 38. | Double up and add 3.58 | |
| 39. | Double up and add 4.89 | |
| 40. | Double up and add 2.68 | |
| 41. | Hundredths crossing: Addition of numbers with 2 dp | |
| 42. | Hundredths crossing: Addition of numbers with 2 dp | |
| 43. | N/D Find the mystery negative: Addition/subtraction of negative integers up to +/-100 | |
| 44. | N/D Find the mystery negative: Addition/subtraction of negative integers up to +/-100 | |
| 45. | N/D Find the mystery negative: Addition/subtraction of negative integers up to +/-100 | |
| 46. | N/D Find the mystery negative: Addition/subtraction of negative integers up to +/-100 | |
| 47. | N/D Find the mystery negative: Addition/subtraction of negative integers up to +/-100 | |
| 48. | N/D Find the mystery negative: Addition/subtraction of negative integers up to +/-100 | |
| 49. | N/D Find the mystery negative: Addition/subtraction of negative integers up to +/-100 | |
| 50. | N/D Find the mystery negative: Addition/subtraction of negative integers up to +/-100 | |
| 51. | N/D Find the mystery negative: Addition/subtraction of negative integers up to +/-100 | |
| 52. | N/D Find the mystery negative: Addition/subtraction of negative integers up to +/-100 | |
| 53. | N/D Find the mystery negative!: Subtraction with single-digit negative integers | |
| 54. | N/D Find the mystery negative!: Subtraction with single-digit negative integers | |
| 55. | N/D Find the mystery negative!: Subtraction with single-digit negative integers | |
| 56. | N/D Find the mystery negative!: Subtraction with single-digit negative integers | |
| 57. | N/D Find the mystery negative!: Subtraction with single-digit negative integers | |
| 58. | N/D Find the mystery negative!: Subtraction with single-digit negative integers | |
| 59. | N/D Find the mystery negative!: Subtraction with single-digit negative integers | |
| 60. | N/D Find the mystery negative!: Subtraction with single-digit negative integers | |
| 61. | N/D Find the mystery negative!: Subtraction with single-digit negative integers | |
| 62. | N/D Find the mystery negative!: Subtraction with single-digit negative integers | |
| 63. | N/D Find the mystery negative!: Subtraction with single-digit negative integers | |
| 64. | N/D Find the mystery negative!: Subtraction with single-digit negative integers | |
| 65. | Subtracting big ones: Write missing numbers in vertical subtractions | |
| 66. | Subtracting big ones: Write missing numbers in vertical subtractions | |
| 67. | Subtracting big ones: Write missing numbers in vertical subtractions | |
| 68. | Subtracting big ones: Write missing numbers in vertical subtractions | |
| 69. | Subtracting big ones: Write missing numbers in vertical subtractions | |
| 70. | Write the missing number: 20= -10, 17, ? | |
| 71. | Write the missing number: 20=-45, 30, ? | |
| 72. | Write the missing number: 20= -15, 25, ? | |
| 73. | Write the missing number: 20= -18, -24, ? | |
| 74. | Write the missing number: 20= -8, -2, ? | |
| 75. | Scoring Decimal Points: Write missing numbers in vertical subtraction | |
| 76. | Scoring Decimal Points: Write missing numbers in vertical subtraction | |
| 77. | Subtraction Chains: Subtractions with 2 dp | |
| 78. | Subtraction Chains: Subtractions with 2 dp | |
| 79. | Square it: Square 12, 1.2 | |
| 80. | Square it: Square 13, 1.3 | |
| 81. | Square it: Square 10, 0.1 | |
| 82. | Square it: Square 9, 0.9 | |
| 83. | Square it: Square 5, 0.5 | |
| 84. | Square it: Square 8, 0.8 | |
| 85. | Square it: Square 6, 0.6 | |
| 86. | Square it: Square 7, 0.7 | |
| 87. | Number detectives -3x-3=* | |
| 88. | Number detectives -3x*=12 | |
| 89. | Number detectives -2x*=-16 | |
| 90. | Multi-Multiplication 35.8 x1000 x500 x0.01 x0.1 | |
| 91. | Multi-Multiplication 6 x-5 x9 x-7 x-4 | |
| 92. | Multi-Multiplication 3 x3 x30 x300 x0.3 | |
| 93. | First things first 4x5+3x(2+3)=* | |
| 94. | First things first 6x4-22/(13-11)=* | |
| 95. | First things first 2x10+3x(4-5)=* | |
| 96. | Number detectives sum of 7x11 and 2x15 | |
| 97. | Number detectives sum of 5x25 and 3x5 | |
| 98. | Number detectives sum of 6x8 and 20x10 | |
| 99. | Number detectives sum of 25x4 and 8x9 | |
| 100. | Number detectives *x7=-42 | |
| 101. | Number detectives 35x90 | |
| 102. | Number detectives 0.3x*=0.06 | |
| 103. | Number detectives 820x10x*=1640 | |
| 104. | Square it! -5 and -50 squared | |
| 105. | Square it! -9 and -90 squared | |
| 106. | Square it! 0.4 and 40 squared | |
| 107. | Square it! 0.09 and 0.9 squared | |
| 108. | Square it! 0.07 and 70 squared | |
| 109. | Multi-Multiplication: Perform multiple multiplications | |
| 110. | Multi-Multiplication: Perform multiple multiplications | |
| 111. | Multi-Multiplication: Perform multiple multiplications | |
| 112. | Multi-Multiplication: Perform multiple multiplications | |
| 113. | Multipication Simplification: Simplify multiplication by doubling and halving | |
| 114. | Multipication Simplification: Simplify multiplication by doubling and halving | |
| 115. | Multipication Simplification: Simplify multiplication by doubling and halving | |
| 116. | Multipication Simplification: Simplify multiplication by doubling and halving | |
| 117. | First things first!: BODMAS calculations | |
| 118. | First things first!: BODMAS calculations | |
| 119. | First things first!: BODMAS calculations | |
| 120. | First things first!: BODMAS calculations | |
| 121. | First things first!: BODMAS calculations | |
| 122. | First things first!: BODMAS calculations | |
| 123. | First things first!: BODMAS calculations | |
| 124. | Decimal times: Write missing numbers in vertical decimal multiplication | |
| 125. | Decimal times: Write missing numbers in vertical decimal multiplication | |
| 126. | Decimal times: Write missing numbers in vertical decimal multiplication | |
| 127. | Multi-Multiplication 18 (x4,0.6,80,102) | |
| 128. | Multi-Multiplication 23 (x6,0.7,50,105) | |
| 129. | Multi-Multiplication 41 (x5,0.8,70,103) | |
| 130. | Find the roots 121 and 1.21 | |
| 131. | Find the roots 25 and 0.25 | |
| 132. | Number detectives : 48/80 | |
| 133. | Number detectives : 15/50 | |
| 134. | Divided Maths: Complete these number sentences | |
| 135. | Find the roots: Find the square roots of 62500, 0.0625 | |
| 136. | Find the roots: Find the square roots of 3600, 0.0036 | |
| 137. | Find the roots: Find the square roots of 40000, 0.0004 | |
| 138. | Find the roots: Find the square roots of 810000, 0.0081 | |
| 139. | Find the roots: Find the square roots of 160000, 0.0016 | |
| 140. | Find the roots: Find the square roots of 90000, 0.0009 | |
| 141. | Number Production: Complete each number sentence | |
| 142. | Number Production: Complete each number sentence | |
| 143. | Great Divide: Perform multiple division operations on a number | |
| 144. | Find the roots *=0.08, *=-8 | |
| 145. | Find the roots *=-100, * =0.1 | |
| 146. | Find the roots * =0.09, * = -9 | |
| 147. | Find the roots * = 0.01, 1 000 000 = -1 000 | |
| 148. | Find the roots * = -20, * = 0.2 | |
| 149. | Changing numbers 6730/0.5=*, */0.1=82720, 2364/0.2=* | |
| 150. | Divide hundreds! 360/*=720, 426/0.2=* | |
| 151. | Divide hundreds! 720/*=900, 689/0.5=* | |
| 152. | Divide thousands! 4200/0.8 | |
| 153. | Division chains: Write missing numbers in division chains | |
| 154. | Division chains: Write missing numbers in division chains | |
| 155. | Division chains: Write missing numbers in division chains | |
| 156. | Division chains: Write missing numbers in division chains | |
| 157. | First things first!: BODMAS calculations | |
| 158. | First things first!: BODMAS calculations | |
| 159. | First things first!: BODMAS calculations | |
| 160. | First things first!: BODMAS calculations | |
| 161. | Find the roots *=20, *=0.02 | |
| 162. | Find the roots *=25, *=2.5 | |
| 163. | The Great Divide: Perform multiple division operations | |
| 164. | The Great Divide: Perform multiple division operations | |
| 165. | The Great Divide: Perform multiple division operations | |
| 166. | Find the roots -* = -40, -* = -0.04 | |
| 167. | Find the roots -* = -9, -* = -0.9 | |
| 168. | Find the roots -* = -1.3, -* = -130 | |
| 169. | Here a fraction there a fraction: Calculate a fraction of a quantity, then a fraction of the fraction. | |
| 170. | Here a fraction there a fraction: Find a fraction, then a fraction of the fraction | |
| 171. | A Sizeable Byte: Select the larger number 84/60 or 2.6 | |
| 172. | Space Fractions : Write equivalent fractions | |
| 173. | Space Fractions : Write equivalent fractions | |
| 174. | Truth about fractions: Click the smaller number | |
| 175. | Truth about fractions: Click the larger number | |
| 176. | Fraction Trade-in: Write a fraction in its lowest terms | |
| 177. | Fraction Trade-in: Write a fraction in its lowest terms | |
| 178. | Fraction Trade-in: Write a fraction in its lowest terms | |
| 179. | Truth about fractions larger 1/12 of * = 4/3 of 6 | |
| 180. | Truth about fractions larger 1/8 of 560 = 1/3 of * | |
| 181. | Truth about fractions: Larger 19/50 or 42% | |
| 182. | Fraction Trade-in: Write a fraction in its lowest terms | |
| 183. | Fraction Trade-in: Write a fraction in its lowest terms | |
| 184. | Higher or lower: Choose the higher number 60% of 30 or 2/5 of 40 | |
| 185. | More or Less: Choose the higher number 17% of 100 or 8/9 of 18 | |
| 186. | More or Less: Click the higher number 28% of 200 or 1/2 of 110 | |
| 187. | Pass the pieces, please!: Fraction addition *+1/2=7/12 | |
| 188. | Fractional output: Fraction addition 1/4+1/5=* | |
| 189. | Fractions mounting: Fractions addition 1/3+1/2=* | |
| 190. | More or less: Click the expression with the higher value 11/15 of 60 or 5/4 of 32 | |
| 191. | More or less: Click the expression with the higher value 8/9 of 45 or 7/4 of 24 | |
| 192. | More or less: Click the expression with the higher value 24/25 of 100 or 6/5 of 75 | |
| 193. | More or less fractions: Click the expression which is greater in value | |
| 194. | More or less fractions: Click the expression which is greater in value | |
| 195. | More or less fractions: Click the expression which is greater in value | |
| 196. | Fraction Trade-in: Write a fraction in its lowest terms | |
| 197. | Fraction Trade-in: Write a fraction in its lowest terms | |
| 198. | Fraction Trade-in: Write a fraction in its lowest terms | |
| 199. | Fraction Trade-in: Write a fraction in its lowest terms | |
| 200. | Fraction Trade-in: Write a fraction in its lowest terms | |
| 201. | Fractions Multiply: 3/4x2/9 | |
| 202. | Fractions Divide: 1/2 / 3/4 | |
| 203. | Fractions Divide: 10 / 1/6 | |
| 204. | Reducing ratios: Write a ratio in its simplest form | |
| 205. | The Big Men of Maths - Solve a problem given the relationship between two unknowns | |
| 206. | Dr Dan's Number Operations - "(x + 0.5) x 5 = 22.5" | |
| 207. | Dr Dan's Number Operations - "(n+0.5)x10=22.5" | |
| 208. | Head Quarters: One half & one quarter of 42320 | |
| 209. | Detective Duck: Write one number as a fraction of another | |
| 210. | Up and Up: 797.9+88.4=? | |
| 211. | Up and Up: 892.4+419.8=? | |
| 212. | Up and Up: 457.9+124.8=? | |
| 213. | Up and Up: 128.7+39.6=? | |
| 214. | Fraction Quest: Click the larger fraction 27/30 and 0.9 | |
| 215. | Fractions Multiply: 3/5x20/33 |