Math Chapter 3 Review

Factors

100

List the factors of the following number: 12

1 x 12, 2 x 6, 3 x 4

200

List the factors of the following number:48

1 x 48, 2 x 24, 3 x 16, 4 x 12, 6 x 8

300

List the factors of the following number: 60

1 x 60, 2 x 30, 3 x 20, 4 x 15, 5 x 12, 6 x 10

Prime or Composite

100

39

composite

200

2

prime

300

67

prime

Common Factors

100

Find the common factors of the following numbers: 10, 20, 30

1, 2, 5, 10

200

Find common factors of the following numbers: 24, 32, 16

1, 2, 4, 8

300

Find common factors of the following numbers: 18, 36, 72 

1, 2 , 3, 6

Patterns

100

Start at 36. Rule: add 6. List the next 4 numbers.

36, 42, 48, 54.

200

Start at 13. Rule: add 8, subtract 4.

13, 21, 17, 25, 21.

300

Start at 1. Add three. Add one. repeat. List the first four terms.

1, 4, 5, 8, 9, 12, 13, 16, 17, 20, 21

Mix It Up

100

In a necklace, the first bead is white. The next 3 are blue. List at least 4 numbers in the pattern will match the white beads.

1, 5, 9, 13, 17, 21, 25

200

List the common factors of 30, 50, and 100.

1, 2, 5, 10

300

red apples are sold in packs of 20; green in 25, and yellow in 40. If you wanted to create unmixed packs with no unequal packs or leftovers, how many apples could be in each pack?

1 or 5