Adding Decimals
Subtracting Decimals
Comparing and Ordering Decimals
Rounding Decimals
Word Problems
100

Add the decimals 43.28 + 31.45

What is 74.73

100

Subtract the decimals 24.56 - 18.23

What is 6.33

100

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

What is < (less than)

100

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

What is 5.03

100


There are 4.5 litres of milk in a pot. The chef stirs in 2.5 g of salt and 1.2 litres of water. How much liquid is in the pot?



4.5+1.2=5.7
There are 5.7 litres of liquid in the pot.


200

Add the decimals 0.724 + 6.45

What is 7.174

200

Subtract the decimals 248.2 - 131.48

What is 116.72

200

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

What is > (greater than)

200

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

What is 27

200


The chef took out 54.8 g of butter but then found out that he took out 6.9 g of butter more than he need. How much butter did he need?



54.8 – 6.9 = 47.9
He needs 47.9 g of butter.


300

Add the Decimals 1.325 + 0.081

What is 1.406

300

Subtract the decimals 178.38 - 159.49

What is 18.89

300

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

What is = (equal to)

300

Round the decimal to the given place value. 0.00052; tenth

What is 0

300


Tim is a postman that works at a local post office. The basic postage is $1.25 and covers any letter that is lighter than 7.5 grams. For heavier letters, extra postage of $0.87 is needed for every 10 grams over 7.5 grams.

How. much would postage that weighs 27.5 grams?


1.25 + 0.87 + 0.87= 2.99

400

Add the decimals 1,023.45 + 284.62

What is 1,308.07

400

Subtract the decimals 148.93 - 121.36

What is 27.57

400

Order each set of decimals from greatest to least. 5.222, 5.202, 5.022, 5.2222

What is 5.2222, 5.222, 5.202, 5.022

400

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

What is 3.455

400


Tim is a postman that works at a local post office. The basic postage is $1.25 and covers any letter that is lighter than 7.5 grams. For heavier letters, extra postage of $0.87 is needed for every 10 grams over 7.5 grams.


Emma mailed a letter that weighs 12.92 grams. Compared to the weight covered by basic postage, how much heavier is Emma’s letter?


12.92 – 7.5 = 5.42
Emma’s letter is 5.42 grams heavier than the weight covered by basic postage.


500

Add the decimals 1,927 + 6.397

What is 1,931.397

500

Subtract the decimals 1,023 - 7.876

What is 1015.124

500

Order each set of decimals from least to greatest. 0.0404, 0.404, 0.04, 0.0444

What is 0.04, 0.0404, 0.0444, 0.404

500

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

What is 2.06

500

Jackson bought a a pack of four shirts for $10.00 and sold each shirt for $3.25. How much total money did Jackson make after his initial purchase?

3.25+3.25+3.25+3.25= 13

13-10= 3.00 of profit.

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