Multiplying by a 1-digit number
345 x 3
1,035
453 x 12
5,436
72 ÷ 4
18
What are the factors of 7?
Is it a prime or composite number?
Prime
Find the next 3 multiples of 4:
4, 8, 12, 16, ____, ____, ____
20,24,28
546 x 4
2,184
555 x 45
24,975
97 ÷ 3
32 R1
What are the factors of 12?
Is it a prime or composite number?
Factors: 1,2,3,4,6,12
Composite number
Is 38 a multiple of 4?
No
1,345 x 3
4,035
2,504 x 32
80,128
382 ÷ 3
127 R1
What are the common factors of 6 and 12?
Factors of 6: 1,2,3,6
Factors of 12: 1,2,3,4,6,12
Common factors: 1,2,3,6
Find the first common multiple of 4 and 7
4: 4,8,12,16,20,24,28
7:7,14,21,28
Common multiple: 28
2,456 x 4
9,824
5,432 x 53
287,896
487 ÷ 5
97 R2
What are the common factors of 10 and 25?
Factors of 10: 1,2,5,10
Factors of 25: 1,5,25
Common Factors: 1,5
Find the first common multiple of 6 and 4
6:6,12
4:4,8,12
Common multiple: 12
4,565 x 5
22,825
6,244 x 54
337,176
4273 ÷ 4
1,068 R1
What are the common factors of 18 and 24?
Factors of 18: 1,2,3,6,9,18
Factors of 24: 1,2,3,4,6,8,12,24
Find the first common multiple of 5 and 6
6,12,18,24,30
5,10,15,20,25,30
common multiple: 30