Representing Decimals
Comparing & Ordering
Decimals
Rounding Decimals
Estimating Sums
Adding & Annexing
100

Write the decimal thirteen hundredths in standard form

What is 0.13

100

Use < , > or = to compare each pair of decimals 0.06 ______0.60

What is < 

or less than

100

Round the decimal to the given place-value. 5.031; hundredths

What is 5.03

100

Estimate using rounding.  Round each number to the nearest whole number. 

38.23 + 11.84

What is 38 + 12 = 51

100

Add the decimals 43.28 + 31.45

(You need to rewrite this problem horizontally on your paper.  Remember, LINE up the digits by place value)

What is 74.73

200

Write six and five tenths in expanded form

What is (6 x 1) + (5 x 0.1) or (6x1) + (5 x 1/10)

200

Use < , >, or = to compare the set of decimals 4.888_______4.880

What is >

or greater than

200

Round the decimal to the given place-value. 0.142; tenths

What is 0.1

200

Estimate using rounding.  Round to the nearest whole number. 

75.38 + 22.04

What is 75 + 22 = 97

200

Add the decimals 0.724 + 6.458

(You need to rewrite this problem horizontally on your paper.  Remember, LINE up the digits by place value)

What is 7.182

300

Write 8.051 in word form

What is eight and fifty one thousandths

300

Use <, >, or = to compare the set of decimals 2.03_____2.030

What is =

or equal to

300

Round the decimal to the given place-value. 27.35; tens

What is 30

300

Estimate using rounding.  Round each decimal to the nearest whole number 

31.29 + 58.07

What is 31 + 58 = 89

300

Add the Decimals 1.325 + 0.81

(You need to rewrite this problem horizontally on your paper.  Remember, LINE up the digits by place value and ANNEX a 0 if you need to.)

What is 2.135

400

Write two and twenty-one thousandths in standard form

What is 2.021

400

Order each set of decimals from greatest to least. 5.222, 5.202, 5.022, 5.223

What is 5.223, 5.222, 5.202, 5.022

400

Round the decimal to the given place-value. 3.4553; thousandths

What is 3.455

400

Find an estimate by rounding each number to the nearest whole number.

12.045 + 11.81 + 12.3 + 11.56

What is 12 + 12 + 12 + 12 = 48

or 12 x 4 = 48

400

Add the decimals 148.9 + 121.36

(You need to rewrite this problem horizontally on your paper.  Remember, LINE up the digits by place value.  ANNEX a 0 if you need to.)

What is 270.26

500

Write one and nine hundredths in standard form and expanded form

What is 1.09 and (1 x 1) + (9 x 0.01) or

1.09 and (1x1) + (9 x 1/100)

500

Order each set of decimals from greatest to least. 0.044, 0.040, 0.404, 0.444

What is 0.444, 0.404, 0.044, 0.04

500

Round the decimal to the given place-value. 2.059; hundredths

What is 2.06

500

Round each number to the nearest ten.

6.45 + 5.88 + 5.61 + 6.03

What is 10 + 10 + 10 + 10 = 40

or 10 x 4 = 40

500

Add the decimals 248 + 131.48

What is 379.48