Representing Decimals
Rounding Decimals
Estimating Sums
& Differences
Adding and Subtracting Decimals
100

Write the decimal thirteen hundredths in standard form

What is 0.13

100
Round the decimal to the given place-value. 5.031; hundredths
What is 5.03
100

Estimate the sum by rounding each digit to the nearest whole number.

38.23 + 11.84

51

100
Add the decimals 43.28 + 31.45
What is 74.73
200
Write six and five tenths in expanded form
What is (6x1) + (5x0.1)
200
Round the decimal to the given place-value. 0.00042; ten-thousandths
What is 0.0004
200

Estimate the sum by rounding each digit to the nearest whole number

75.38 + 22.04

 97

200
Add the decimals 0.724 + 6.458
What is 7.182
300

Write 8.051 in word form

What is eight and fifty one thousandths

300
Round the decimal to the given place-value. 27.35; tens
What is 27
300

Estimate the sum by rounding each digit to the nearest whole number

31.29 + 58.07

What is 89

300
Add the Decimals 1.325 + 0.081
What is 1.406
400
Write two and twenty-one thousandths in standard form
What is 2.021
400
Round the decimal to the given place-value. 3.4553; thousandths
What is 3.455
400

Estimate the sum by rounding each digit to the nearest whole number

12.045 + 11.81 + 12.3 + 11.56

48

400
Subtract the decimals 148.93 - 121.36
What is 27.57
500
Write one and nine hundredths in standard form and expanded form
What is 1.09 and (1x1) + (0x0.1) + (9x0.01)
500
Round the decimal to the given place-value. 2.059; hundredths
What is 2.06
500

Estimate the sum by rounding each digit to the nearest whole number

6.45 + 5.88 + 5.61 + 6.03

24

500
Subtract the decimals 248 - 131.48
What is 116.72
M
e
n
u