Multiplication
23 x 10 = ?
230
50 divided by 5 = ?
10
yes
What are the first 5 multiples of 3?
3, 6, 9, 12, 15
21 divided by 3 = ?
7
450 x 9 = ?
4,050
35 divided by 3 = ?
11 R2
45 = 9 x ___
5
Is 36 a multiple of 12?
yes
252
23 x 12 = ?
276
75 divided by 4 = ?
18 R3
Which is NOT a prime number?
11, 17, 21, 23, 31
21
What are the first 5 multiples of 8?
8, 16, 24, 32, 40
1,000 x 10 = ?
10,000
78 x 42 = ?
3,276
625 divided by 8 =?
78 R1
Which of the following has 8 as a factor? (2 answers)
a. 4
b. 16
c. 32
d. 64
b. 16 and c. 32
What is the first common multiple of 6 and 9?
18
What are the 8 factors of 40?
1, 2, 4, 5, 8, 10, 20, 40
315 x 23 = ?
7,245
908 divided by 7 = ?
129 R5
What are the 9 factors of 36?
1, 2, 3, 4, 6, 9, 12, 18, 36
What is the 1st common multiple of 4 and 7?
28
45 and 60 share 4 common factors. What are they?
1, 3, 5, 15