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