Multiplication Patterns

A rule is used to make a pattern?

1, 3, 9, 27...

What rule is used to describe this pattern?

• plus 2

• plus 6

• multiply by 3

• multiply by 9

4, 8, 12, 16, 20, 24, 28, _____, 36

• 2

• 4

• 6

• 8

4 x 9 = 36
4 x 90 = _____

• 36

• 360

• 3,600

• 36,000

3 x 5 = 15

3 x 500 = _____

• 15

• 150

• 1500

• 15,000

18 x 100

• 1,800

• 180

• 18,000

• 180,000

In a math computer game, each time Angie put in a number, the computer gave her a different number.

What rule did the computer use to give the number?

• add 5

• add 10

• multiply by 5

• multiply by 2

Which tells the relationship between column R and column S?

• Add 3 to R to get S

• Add 6 to R to get S

• Multiply R by 2 to get S

• Multiply R by 4 to get S

When multiplying an odd number by an odd number, the product will always...

• be even

• be odd

• end in 5 or 0

• end in 0

Which is true when any number is multiplied by 2?

• The answer is odd.

• The answer is even.

• The answer will have all the same digits.

• The answer becomes a two-digit number.