Patterns With Multiplications

When you multiply by 10s or 100s or 1,000s the decimal point in the product moves to the ________.

When you multiply by 0.10 or 0.01 or 0.001 the decimal point in the product moves to the ________.

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

Look at the pattern below.
What rule tells how to get the next number?

• add 2

• add 8

• multiply by 2

• multiply by 8

• F

• G

• H

• J

Which is a true statement about number patterns when multiplying?

• All even numbers, when multiplied by any number, have even-numbered products.

• All odd numbers, when multiplied by any number, have even-numbered products.

• Half of the odd numbers, when multiplied by any number, have odd-numbered products.

• Half of the even numbers, when multiplied by any number, have odd-numbered products.

While Rachel is multiplying by 4, she notices the pattern shown below. 4 × 2 = 8 4 + 4 = 8 4 × 3 = 12 6 + 6 = 12 When she comes to 4 × 4 = 16, which expression should she use to continue the pattern?

• 6 + 10

• 8 + 8

• 9 + 7

• 7 + 7

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Complete the pattern and choose the best answer from below.

3 X 2 = 6

4 X 2 = 8

5 X 2 = 10

6 X 2 = ??

• 8

• 14

• 12

• 16

What number goes in the yellow box?

• 36

• 64

• 72

• 80