Unit 4 Review

Rounding

100

Round 23 to the nearest 10?

What is 20?

200

Round 2,348 to the nearest hundred

What is 2,300?

300

Round 5.67 to the nearest whole number

What is 6?

400

Round 67.83 to the nearest tenth

What is 67.8?

500

Round 23.975 to the nearest hundredth

What is 23.98?

Multiplying by Powers of Ten

100

4 x 10²

What is 400?

200

Calculate 5 x 10³

What is 5,000?

300

Calculate 7.2 x 10¹

What is 72?

400

Calculate 3.5 x 10⁴

What is 3,500?

500

Calculate 8 x 10⁶

What is 8,000,000?

Multiplying Decimals by Whole Numbers

100

Calculate 0.5 x 2

What is 1?

200

32.5 x 100

What is 3,250?

300

When multiplying by 10, 100 or 1,000 the number shift to the ________

What is left?

400

Calculate 6.52 x 6

What is 39.12?

500

Calculate 23.56 x 9

What is 212.13?

Multiplying Decimals by Decimals

100

Calculate 0.5 x 0.5

What is 0.25?

200

Calculate 2.35 x 0.4

What is 0.4?

300

Calculate 7.35 x 2.9

What is 21.315?

400

When multiplying by 0.1 or 0.01 the number shift to the ______

What is right?

500

Calculate 0.51 x 21.3

What is 10.86?

How many decimal places

100

Fill in the Blank:

5.8 x 6 has _______ numbers after the decimal

What is one?

200

Fill in the Blank:

6.29 x 4 has ______ numbers after the decimal

What is two?

300

Fill in the Blank:

0.671 x 5 has ______ numbers after the decimal

What is three?

400

Fill in the Blank:

54.7 x 4.1 has ________ numbers after the decimal

What is two?

500

Fill in the Blank:

3.62 x 4.7 has ______ numbers after the decimal

What is three?