Step 4
Difficulty 4
| 1. | In the cube C/R216 + C/R64 + 3cubed | |
| 2. | In the cube C/R* + C/R512 + 5cubed = 143 | |
| 3. | In the cube C/R343 + C/R* + 4cubed = 73 | |
| 4. | In the cube C/R1 + C/R* + 8cubed = 522 | |
| 5. | In the cube C/R27 + C/R125 + *cubed = 224 | |
| 6. | Number detectives sum of 4x3 and 3x11 | |
| 7. | Number detectives *x-9=-45 | |
| 8. | Show times: Money multiplication | |
| 9. | Weighed down: Measure multiplication | |
| 10. | Times to Plough: Multiply lengths of time | |
| 11. | Multipication Simplification: Simplify multiplication by doubling and halving | |
| 12. | First things first!: BODMAS calculations | |
| 13. | Decimal times: Write missing numbers in vertical decimal multiplication | |
| 14. | Detective Duck finds the mystery suspect: Understand multiplication terminology | |
| 15. | Detective Duck finds the mystery suspect: Understand multiplication terminology | |
| 16. | Detective Duck finds the mystery suspect: Understand multiplication terminology | |
| 17. | Detective Duck finds the mystery suspect: Understand multiplication terminology | |
| 18. | Detective Duck finds the mystery suspect: Understand multiplication terminology | |
| 19. | Find the Mystery Number: Solve multiplication sentences with a symbol for an unknown number | |
| 20. | Find the Mystery Number: Solve multiplication sentences with a symbol for an unknown number | |
| 21. | Find the Mystery Number: Solve multiplication sentences with a symbol for an unknown number | |
| 22. | Find the Mystery Number: Solve multiplication sentences with a symbol for an unknown number | |
| 23. | Find the Mystery Number: Solve multiplication sentences with a symbol for an unknown number | |
| 24. | Find the Mystery Number: Solve multiplication sentences with a symbol for an unknown number | |
| 25. | By the skin of those teeth: Calculate distance and speed | |
| 26. | Ee-i-ee-i-o!: Calculate total number of animals after 2 seasons | |
| 27. | Out on a limb: Money multiplication | |
| 28. | Sum it up: Penny and Posie | |
| 29. | Sum it up: Ladies' Society For Long Lunches | |
| 30. | Square it: Square 1.5,-0.15 | |
| 31. | Square it: Square 1.6,-16 | |
| 32. | Square it: Square 0.21,-0.21 | |
| 33. | Square it: Square 18,1.8 | |
| 34. | Square it: Square 0.22,2.2 | |
| 35. | Multi-Multiplication 27 (x7,0.5,60,104) | |
| 36. | Multiplication Simplification: Use doubling and halving to simplify multiplication | |
| 37. | Multiplication Simplification: Use doubling and halving to simplify multiplication | |
| 38. | Multiplication Simplification: Use doubling and halving to simplify multiplication | |
| 39. | Multiplication Simplification: Use doubling and halving to simplify multiplication | |
| 40. | Multiplication Simplification: Use doubling and halving to simplify multiplication | |
| 41. | Appearance money: Money subtraction and division | |
| 42. | Shoes shine: Money multipication and subtraction | |
| 43. | Spectacular spending: Money multiplication | |
| 44. | Land of the long vacation: Dollar exchange rates | |
| 45. | First things first!: BODMAS calculations | |
| 46. | First things first!: BODMAS calculations | |
| 47. | First things first!: BODMAS calculations | |
| 48. | First things first!: BODMAS calculations | |
| 49. | First things first!: BODMAS calculations | |
| 50. | First things first!: BODMAS calculations | |
| 51. | First things first!: BODMAS calculations | |
| 52. | First things first!: BODMAS calculations | |
| 53. | Decimal Times: Write missing numbers in vertical multiplication | |
| 54. | Decimal Times: Write missing numbers in vertical multiplication | |
| 55. | Decimal Times: Write missing numbers in vertical multiplication | |
| 56. | Decimal Times: Write missing numbers in vertical multiplication | |
| 57. | Number detectives : 32÷40 | |
| 58. | My fair sharer: / 0.8 | |
| 59. | True or False: 20.8/2.5=8.5 | |
| 60. | True/false: -30.6 / -0.3 = 102 | |
| 61. | Divide hundreds! 360/*=900, 420/0.3=* | |
| 62. | Division chains: Write missing numbers in division chains | |
| 63. | Same or Different? Click all boards where the answer is the same | |
| 64. | Dances with dogs: Money division | |
| 65. | A whizz-bang show: Money multiplication and division | |
| 66. | First things first!: BODMAS calculations | |
| 67. | The Great Divide: Perform multiple division operations | |
| 68. | The Great Divide: Perform multiple division operations | |
| 69. | Detective Duck finds the mystery suspect: Understand division terminology | |
| 70. | Find the Mystery Number: Solve division sentences with a symbol for an unknown number | |
| 71. | Find the Mystery Number: Solve division sentences with a symbol for an unknown number | |
| 72. | Find the Mystery Number: Solve division sentences with a symbol for an unknown number | |
| 73. | True or False: 1980/44=45 | |
| 74. | True or False: 792/0.44=1800 | |
| 75. | Find the Mystery Number: Solve division sentences with a symbol for an unknown number | |
| 76. | Find the Mystery Number: Solve division sentences with a symbol for an unknown number | |
| 77. | Find the Mystery Number: Solve division sentences with a symbol for an unknown number | |
| 78. | Find the Mystery Number: Solve division sentences with a symbol for an unknown number | |
| 79. | Find the Mystery Number: Solve division sentences with a symbol for an unknown number | |
| 80. | Find the Mystery Number: Solve division sentences with a symbol for an unknown number | |
| 81. | Divide a hundred 216/*=2400, 312/0.06=* | |
| 82. | Divide a hundred 136/*=-340, 512/-0.8=* | |
| 83. | Divide a Thousand 3660/-0.04=* | |
| 84. | Divide a Thousand 5058/-0.06=* | |
| 85. | Divide Ten Thousand 42600/300=* | |
| 86. | Divide Ten Thousand 39 200/700=* | |
| 87. | Division Chains: Write missing numbers in division chains | |
| 88. | Division Chains: Write missing numbers in division chains | |
| 89. | Division Chains: Write missing numbers in division chains | |
| 90. | Sum it up: Granny Smith's knitting | |
| 91. | Sum it up: Max's Xtreme Skateboards | |
| 92. | Maths Production 800,8,56 | |
| 93. | Number Production 1.6,320,8 | |
| 94. | Same or different: click all the boxes with the same answers | |
| 95. | Same or different: click all the boxes with the same answers | |
| 96. | First things first!: BODMAS calculations | |
| 97. | First things first!: BODMAS calculations | |
| 98. | First things first!: BODMAS calculations | |
| 99. | Up or down: Determine whether to round up or down to give a sensible division answer | |
| 100. | Up or down: Determine whether to round up or down to give a sensible division answer | |
| 101. | My Fair Sharer: Write correct division setting | |
| 102. | My Fair Sharer: Write missing inputs and outputs | |
| 103. | My Fair Sharer: Write missing inputs and outputs | |
| 104. | Examining the remains | |
| 105. | Examining the remains | |
| 106. | Examining the remains | |
| 107. | Find the roots *=-0.6, *=6 | |
| 108. | Find the roots *=9, *=-0.09 | |
| 109. | Find the roots *=-0.4, *=-40 | |
| 110. | About to divide: click the best estimate | |
| 111. | About to divide: click the best estimate | |
| 112. | About to divide: click the best estimate | |
| 113. | The Great Divide: Multiple divisions | |
| 114. | Find the roots * = -0.6, * = -0.06 | |
| 115. | Find the roots * = -0.3, * = -0.03 | |
| 116. | Find the roots *= -0.04, * = 0.4 | |
| 117. | Head Quarters: One half & one quarter of 62940 | |
| 118. | Head Quarters: One half & one quarter of 49380 |