Factors
Multiples
Prime or Composite
Multiplication
Division
100

Choose the letter that shows all the factors of 12.

A. 1,12

B. 1, 2, 3, 4, 6, 12 

C. 1, 3, 6, 7, 12

D. 2, 4, 6, 12 

B. 1x12, 2x6, 3x4

100
Choose the letter that shows the multiples of 4 correctly:

A. 1, 2, 4

B. 4, 8, 12, 16, 20

C. 1, 2, 3, 4

D, 1, 4, 8, 12, 16 

B. 4, 8, 12, 16, 20

100

Is 31 prime or composite?

prime 

Factors: 1, 31 

100

425x4=

A. 1,700

B. 1,600

C. 1,435

D. none of the above

A.

100

321/3

A. 107

B. 107 R 1

C. 17

D. none of the above

A. 107

200

What are all the factors of 10.

A. 1, 2, 3, 4, 5

B. 2,4, 6, 8, 10

C. 1, 2, 5, 10

D. 2, 5

C. 1x10, 2x5

200

Which number is not a multiple of 10?

A. 10

B. 5

C. 20

D. 200

B. 5

200

True or false:

All odd numbers are prime

False

200

22x89

A. 1,892

B. 1,958

C. 1,780

D. none of the above

B. 1,958

200

455/5

A. 90

B. 91

C. 91 R  5

D. none of the above

B. 91

300

Which number is not a factor of 64?

A. 3

B. 8

C. 64

D. 32 


A. 3

300

Which is a multiple of 10, but not a factor?

A. 10

B. 20

C. 5

D. 1

B. 20

300
Is 45 prime or composite?

composite

300

4562x6

A. 4,562

B. 27,323

C. 47,372

D. none of the above

27,372- none of the above

300

234/5

A. 111

B. 46

C. 46 R 4

D. none of the above

C. 46 R 4

400

Which number is not a factor of 108?

A. 2

B. 3

C. 108

D. 5

D. 5

Hint-numbers that are divisible by 5 end in 0 or 5

400

Which number is not a multiple of 80?

A. 160

B. 80

C. 240

D. 180

D. 180

400

True or False

2 is a composite number because it is even.

False-

2 only has two factors 1,2 which makes it a prime number. 

400

46x87

A. 4,000

B. 4,002

C. 4,023

D. none of the above

B. 4,002

400

4789/9

A. 532

B. 52

C. 515

D. none of the above

D. 532 R 1

500

Choose all numbers that are factors of 255? 

*Hint- use divisibility rules

A. 3

B. 5

C. 2

D. 10

A. 3 (2+5+5=12) 12 is divisible by 3

B. 5 (ends in a 5 or 0)

500

Which number is not a multiple of 5?

A. 5

B. 10

C. 455

D. 252

D. 252

500

Is 242 prime or composite?

composite

500

2345x5

A. 12,725

B. 11,723

C. 12,257

D. None of the above

D. 11,725

500

5932/8

A. 741

B. 742 R 5

C. 431 R 4

D. none of the above

D. 741 R 4
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