Use prime numbers, common factors and multiples, and powers (including square roots)
Use prime numbers, common factors and multiples, and powers (including square roots)
1. | A Matter of Factors: Factors of 60 | |
2. | A Matter of Factors: Factors of 50 | |
3. | A Matter of Factors: Factors of 90 | |
4. | A Matter of Factors: Factors of 20 | |
5. | A Matter of Factors: Factors of 100 | |
6. | In the Square: 4 squared, 8 squared, square root of 36 | |
7. | In the Square: 10 squared, 5 squared, square root of 100 | |
8. | In the Square: 3 squared, 9 squared, square root of 49 | |
9. | A Matter of Factors: Factors of 96 | |
10. | A Matter of Factors: Factors of 24 | |
11. | A Matter of Factors: Factors of 36 | |
12. | A Matter of Factors: Not factors of 12 | |
13. | A Matter of Factors: Not factors of 18 | |
14. | Prime Time: Click on the prime numbers | |
15. | Number Detectives: a+b=14, axb=49 | |
16. | Number Detectives: a-b=0, axb=9 | |
17. | A Matter of Factors: Factors of 96 | |
18. | A Matter of Factors: Factors of 100 | |
19. | A Matter of Factors: Factors of 90 | |
20. | A Matter of Factors: Factors of 30 | |
21. | A Matter of Factors: Factors of 20 | |
22. | A Matter of Factors: Factors of 40 | |
23. | Prime Time: Prime numbers | |
24. | Prime Time: Prime numbers | |
25. | Prime Time: Prime numbers | |
26. | Prime Time: Prime numbers | |
27. | Prime Time: Prime numbers | |
28. | Prime Time: Prime numbers | |
29. | Number Detectives: Prime a + prime b=15 | |
30. | Number Detectives: LCM of 6 & 8 | |
31. | Number Detectives: HCF of 18 and 24 | |
32. | Factor Facts: Common Factors of 100 & 120 | |
33. | Factor Facts: Common Factors of 36 & 120 | |
34. | Factor Facts: Common Factors of 45 & 120 | |
35. | Factor Facts: Common Factors of 96 & 120 | |
36. | Factor Facts: Common factors of 60 & 100 | |
37. | Factor Facts: Common factors of 10 and 20 | |
38. | Factor Facts: Common factors of 16 and 32 | |
39. | A Matter of Factors: Factors of 120 | |
40. | A Matter of Factors: Not factors of 96 | |
41. | A Matter of Factors: Not factors of 132 | |
42. | A Matter of Factors: Multiples of 12 | |
43. | A Matter of Factors: Multiples of 9 | |
44. | Number Detectives: Prime#a+prime#b = 45 | |
45. | Number Detectives: A number + its square = 30 (2 integers) | |
46. | Number Detectives: HCF of 40 & 65 | |
47. | A Matter of Factors: Common factors of 80 and 32 | |
48. | A Matter of Factors: Common factors of 88 and 66 | |
49. | A Matter of Factors: Common factors of 35 and 70 | |
50. | Prime Time: Prime numbers | |
51. | Number Detectives: 2 prime numbers-sum =1 more than 8 squared | |
52. | Number Detectives: prime cubed + prime = 127 | |
53. | Number Detectives: a[6] = 729 | |
54. | In the square S/R 49 + S/R 144 + 6sqrd = ? | |
55. | In the square S/R 25 + S/R 81 + 7 sqrd = ? | |
56. | In the square S/R 16 + S/R 100 + 9sqrd = ? | |
57. | In the square: 49+ * +6=57 | |
58. | In the square: * +16+15=240 | |
59. | In the square: 36+289+ * =87 | |
60. | In the square: * + 81+5=47 | |
61. | In the square: 64+361+ * =196 | |
62. | In the square: Calculate with squares and square roots | |
63. | Squaring up Sq.root of (a + b ) = sq.root (a) + sq.rt (b) T/F | |
64. | Lions Square Up: Click the square numbers | |
65. | Lions Square Up: Click all the numbers that are not square numbers. | |
66. | Lions Square Up: Click all the square numbers | |
67. | Lions Square Up: Click all the numbers that are not square numbers | |
68. | Lions Square Up: Click all the numbers that are not square | |
69. | Square it!: Square 5, 50 | |
70. | Square it!: Square 7, 700 | |
71. | Square it!: Square 4, 40 | |
72. | Square it!: Square 12, 120 | |
73. | Square it!: Square 2, 200 | |
74. | Square It: Square 6, 60 | |
75. | Square It: Square 8, 80 | |
76. | Square It: Square 9, 90 | |
77. | Square It: Square 10, 100 | |
78. | Square It: Square 5, 50 | |
79. | Square it: Square 6, 600 | |
80. | Square it: Square 11, 110 | |
81. | Lions Multiply: Click all the 6 multiples | |
82. | Lions Multiply: Click all the 7 multiples | |
83. | Lions Multiply: Click all the 5 multiples | |
84. | Lions Multiply: Click all the 8 multiples | |
85. | Lions Multiply: Click all the 3 multiples | |
86. | Lions Multiply: Click all the 9 multiples | |
87. | Lions Multiply: Click all the 7 multiples | |
88. | Lions Multiply: Click all the 6 multiples | |
89. | Lions Multiply: Click all the 8 multiples | |
90. | Lions Multiply: Click all the 9 multiples | |
91. | Lions Multiply: Click all the 11 multiples | |
92. | Lions Multiply: Click all the multiples of 9 | |
93. | Lions Multiply: Click all the multiples of 7 | |
94. | Divisible Lions: Click all the numbers that divide evenly by 6 | |
95. | Lions Multiply: Click all the numbers that are NOT multiples of 8 | |
96. | Divisible Lions: Highest common factor | |
97. | Divisible Lions: Highest common factor | |
98. | Divisible lions: Highest common factor | |
99. | Divisible lions: Highest common factor | |
100. | Divisible lions: Highest common factor | |
101. | Divisible lions: Highest common factor | |
102. | Divisible lions: Highest common factor | |
103. | A Matter of Factors: Factors of 24 | |
104. | A Matter of Factors: Factors of 30 | |
105. | A Matter of Factors: Factors of 48 | |
106. | A Matter of Factors: Factors of 56 | |
107. | A Matter of Factors: Factors of 64 | |
108. | Divisible Lions: Highest common factor | |
109. | Divisible Lions: Highest common factor | |
110. | Divisible Lions: Highest common factor | |
111. | A Matter of Factors: 80 | |
112. | A Matter of Factors: 60 | |
113. | A Matter of Factors: 40 | |
114. | A Matter of Factors: 50 | |
115. | A Matter of Factors: 90 | |
116. | Number detectives: Square root of 49 | |
117. | Divisible lions: Highest common factor | |
118. | Divisible lions: Highest common factor | |
119. | Divisible lions: Highest common factor | |
120. | Divisible lions: Highest common factor | |
121. | Divisible lions: Highest common factor | |
122. | Number detectives: (Sq root of 16+ sq rt of 25)/3 | |
123. | Number detectives: Take the sq. root of 1600 from 10 squared | |
124. | Number detectives: Product of 10 and 7 /sq. root of 49 | |
125. | Find the roots 81 and 8100 | |
126. | Find the roots 9 and 90 000 | |
127. | Find the roots 64 and 6400 | |
128. | Number detectives: Sum of 2 numbers=13. One number is 9. What is the sq. root of the other number? | |
129. | Number detectives sq. root of 4900 | |
130. | Number Quest - complete number sentence | |
131. | A Matter of Factors: Factors of 20 | |
132. | A Matter of Factors: Table for 50 | |
133. | A Matter of Factors: Table for 30 | |
134. | A Matter of Factors: Table for 40 | |
135. | A Matter of Factors: Table for 60 | |
136. | A Matter of Factors: Table for 48 | |
137. | A Matter of Factors: Table for 24 | |
138. | A Matter of Factors: Factors of 60 | |
139. | A Matter of Factors: Factors of 50 | |
140. | A Matter of Factors: Factor Pairs of 56 |