Pre Algebra Decimals Board 2

Comparing Decimals

100

Which is greater, 0.55 or 0.549?

0.55

200

Which is further to the left on a number line, 1.01 or 10.1/

1.01

300

Which is further to the right on a number line -0.5 or 0.49?

0.49

400

Which is greater, 1.11 or 1.110?

Neither; they are equal

500

Order from least to greatest: 1.12, 1.102, 1.021

1.021, 1.102, 1.12

Adding & Subtracting Decimals

100

What is 0.5 + 0.49?

0.99

200

What is 1.6 + 1.5?

3.1

300

What is 0.77 - 0.09?

0.68

400

What is 5 - 0.33?

4.67

500

What is 0.5 - 2.5?

-2

Multiplying & Dividing by Powers of 10

100

What is 1.23 x 100?

123

200

What is 5.43 x 1/10?

0.543

300

What is 45.11 x 10³?

45110

400

What is 0.7 x 10^-2?

0.007

500

What is 5.99 x 0.01?

0.0599

Multiplying Decimals

100

What is 1.2 x 6?

7.2

200

What is 5.04 x 5?

25.2

300

What is 32.4 x 1.5?

48.6

400

What is 0.045 x 0.054?

0.00243

500

What is 3.5 x 4.2?

14.7

Dividing Decimals

100

What is 4.8 ÷ 4?

1.2

200

What is 31.2 ÷ 4?

8.05

300

What is 14.5 ÷ 0.5?

29

400

What is 46.08 ÷ 1.2?

38.4

500

What is 0.464 ÷ -0.4?

-1.16