Eureka Module 1 Test Review

Multiply & Divide Decimals

100

Multiply 5.7 x 4 

22.8

200

3.02 x 10² = 

302

300

302,000 ÷10³ =

302

400

91 ÷ 4

22.75

500

19.989 divided by 4

4.99725

Add and Subtract Decimals

100

20.0 + 2.8

22.8

200

13.0 + 4.6 + 2.4 =

20.0

300

2.09 + 0.24 = 

2.33

400

12.987  + 4.567 + 2.435

19.989

500

361.31 – 2.841 = 

358.469

Forms of Decimals

100

22.8 

Write in word form

twenty-two and eight tenths

200

Write 22.8 in expanded form

2 x 10 + 2 x 1 + 8 x 0.1

300

Write in standard form 

0.4 x 10² + 0.002 x 10³

40 + 2 = 42

400

write in standard form

14 tenths + 6 tenths + 9 hundredths

2.09

500

Write in expanded form 

12.987

(1 x 10) + (2 x 1) + (9 x .1) + (8 x .01) + (7x.001)

Comparing Decimals

100

4 tenths + 9 tenths _______ 1 one + 3 tenths

=

200

3 tenths + 12 hundredths _________ 0.24

>

300

14 tenths + 6 tenths + 9 hundredths  _____ 2.09

=

400

3 + 34 x .1 + 12 x .001 ____3 + 24 x .1 + 22 x .01

>

500

0.4 x 10² + 0.002 x 10³_____ 0.4 x 10 + 0.2 x 10³

<

Rounding Decimals

100

Round to the nearest tenth 

4.567

4.6

200

Round to the nearest tenth 

2.435

2.4

300

Round to the nearest tenth 

12.987

13.0

400

Round to the nearest gram

4.99725 g

5 g

500

Round to the nearest whole number 

19.989

20