# 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