5.NBT.3 and 5.NBT.4 Review

Reading/Writing Decimals

100

Write the decimal in word form:

23.42

twenty-three and forty-two hundreths

200

Write the decimal in standard form:

three hundred sixteen and two tenths

316.2

300

Write the decimal in word form:

78.092

seventy-eight and ninety-two thousandths 

400

Write the number in standard form:

four hundred fifty and 10 hundreths

450.10

500

Write the number in word form:

777.77

seven hundred seventy-seven and seventy seven hundreths

Expanded Form

100

Write the decimal in expanded form. 1.2

1 + 0.2

OR

1 + 2/10 

200

Write the number in expanded form. 25.03

20 + 5 + 0.03

OR 

20 + 5 + 3/100

300

Write the decimal in standard form. 

4 + 0.7 + 0.02

4.72

400

Write the decimal in standard form. 

(5 x 10)+(2 x 1)+(1 x 0.09)

A. 520.09

B. 502.9

C. 52.09

C. 52.09

500

Write the decimal in expanded form. 812.03

A. (8 x 10)+(1 x 1)+(2 x 0.1)+ (3 x 0.01) 

B. (8 x 100)+(1 x 10)+(2 x 0.01)+ (3 x 0.001) 

C. (8 x 100)+(1 x 10)+(2 x 1)+ (3 x 0.01)

C. (8 x 100)+(1 x 10)+(2 x 1)+ (3 x 0.01)

Comparing Decimals

100

Fill in the blank with <, >, or =

7.8 _____ 7.2

>     greater than

200

Fill in the blank with <,>, or =. 

62.02 _____ 62.12

 >     greater than

300

What place value are you comparing when looking at the following decimals. 12.40 and 12.23

A. tens place

B. tenths place

C. hundredths place

B. tenths place

400

Compare the two decimals using <,>, or =

0.04 ____ 0.040

A. >

B. <

C. =

C. =

500

Compare the decimals using <,> or =

503.031 _____ 503.081

 <  less than

Rounding Decimals

100

Round 0.91 to the nearest tenth.

0.90

200

Round 7.567 to the nearest hundredth.

7.570

300

After rounding 32.634, the answer is 32.8 or 32.600. What place value was 32.634 rounded to?

A. tenths place

B. hundredths place

C. ones place

A. tenths place

400

Mrs. Hargroves rounds three numbers to the nearest tenths place and gets 8.80, which one does not round to 8.80?

A. 8.81

B. 8.85

C. 8.83

D. 8.84

B. 8.85

500

Round 1.921

Nearest whole ________

Nearest tenth _________

Nearest hundredth ________

Nearest whole 2

Nearest tenth 1.9

Nearest hundredth 1.920

Powers of 10

100

1.21 x 10²

121.

200

0.04 x 10⁴

400

300

What is 10,000 written as an exponent?

10⁴

400

Fill in the blank to show the relationship:

10 x ____ = 3.0

*Hint: What number would you need to multiply by 10 to make the decimal move to the right? 

*Or you can think about, what would the inverse of this problem be?

0.3

500

Fill in the blank to show the relationship:

0.02 = _______ x 10

*Hint: What number would you need to multiply by 10 to make the decimal move to the right? 

*Or you can think about, what would the inverse of this problem be?

0.002