Whole Numbers
623 + 433 + 56 =
1112
(9 x 2) + 18 ÷ 6 =
21
Least Common Multiple (LCM) of 4 and 6
Multiples of 4: 4, 8, 12, 16, 20...
Multiples of 6: 6, 12, 18, 24...
Answer = 12
Find the area of a 12cm x 7cm rectangle. Include units.
84 cm2
893 - 395 =
498
6 ÷ 3 + 2 x 7 =
16
Least Common Multiple (LCM) of 5 and 7
Multiples of 5: 5, 10, 15, 20, 25, 30, 35, 40...
Multiples of 7: 7, 14, 21, 28, 35, 42...
Answer = 35
Find the perimeter of a 12cm x 7cm rectangle. Include units.
38 cm
763 - 492 + 157 =
428
7 x [(18 - 6) - 6] =
42
100
2 x 2 x 5 x 5
Greatest Common Factor (GCF) of 100 and 75
Factors of 100: 1, 2, 4, 5, 10, 20, 25, 50, 100
Factors of 75: 1, 3, 5, 15, 25, 75
Answer = 25
Find the perimeter of (Figure 3 from packet).
64 in
23 x 15 =
345
(5 - 3)2 + 3 =
7
64
2 x 2 x 2 x 2 x 2 x 2
Greatest Common Factor (GCF) of 24 and 60
Factors of 24: 1, 2, 3, 4, 6, 8, 12, 24
Factors of 60: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60
Answer = 12
Find the area of (Figure 3 from packet).
140 in2
2970 ÷ 5 =
594
16 ÷ 8 x 22 =
8
72
2 x 2 x 2 x 3 x 3
Greatest Common Factor (GCF) of 18 and 54
Factors of 18: 1, 2, 3, 6, 9, 18
Factors of 54: 1, 2, 3, 6, 9, 18, 27, 54
Answer = 18
Find the area and perimeter of (Figure 4 from packet).
Area = 57 yd2
Perimeter = 36 yd