Patterns With Decimals

Find the value of n.

n × 721 = 72.1

• .01

• .1

• 10

A number with one or more digits to the right of the decimal point is called a _______:

• decimal

• dividend

• tenth

Complete the pattern:

• a. 51.8 ÷ 1 = ___

• b. 51.8 ÷ 10 = ___

• c. 51.8 ÷ 100 = ___

Answer explanation

Correct Answers:

a. 51.8 ÷ 1 = 51.8

b. 51.8 ÷ 10 = 5.18

c. 51.8 ÷ 100 = 0.518

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 ________.

1 \times 3.19 =

• 31.9

• 319

• 3.19

• 3,190

• 31.9

• 319

• 3.19

• 3,190

• 4,560

• 456

• 45,600

• 45.6

• 63.91

• 639.1

• 6391

• 6.391

• 7.42

• 0.742

• 0.0742

• 74.2