Adding Decimals
Subtracting decimals
Multiplying Whole Numbers
Multi-step Word Problems
100

Add the decimals 10.30 + 11.50

What is 21.80

100

Subtract the decimals 13.62 - 11.41

What is 2.21

100

multiply 23 x 34

What is 782

100

Emma buys three sandwiches for $6 each, and a drink for $2.45, and 3
How much does she spend in total?

$20.45

200

Add the decimals 13.62 + 16.27

What is 29.89

200

Subtract the decimals 37.16 - 6.06

What is 31.10

200

multiply 88 x 36

What is 3,168

200

A piece of ribbon is 27.6 meters long. Sarah cuts off 4.85 meters, then an additional 3 meters.
How much ribbon is left?

19.75 meters

300

Add the decimals 52.36 + 44.63

What is 96.99

300

Subtract the decimals 93.62 - 42.61

What is 51.01

300

multiply 239 x 72

What is 17,208

300

Jake fills his car with 16 gallons of gas each week for 4 weeks. If the gas costs 4 per gallon,
How much money did she spend on gas for 4 weeks? 

256 gallons

400

Add the decimals 107.46 + 73.44

what is 180.90

400

Subtract the decimals 117.37 - 102.24

What is 15.13

400

multiply 14,782 x 21

What is 310,422

400

Three pumpkins weigh 232 ounces each. 1 watermelon weighs 96.5 ounces.
What is the difference in ounces between the three pumkins and the one watermelon?

599.5 ounces

500

Add the decimals 654.22 + 325.67

What is 979.89

500

Subtract the decimals 29,300.040 - 65.432

What is 29,234.608

500

multiply 4,306,074 x 42

What is 180,855,108

500

Maria buys a pair of shoes that costs $72.40. She has a store coupon for $8.25 off.
Maria says that the cost with the coupon is $64.05.
Explain Maria’s error and find the correct cost.

Maria subtracted incorrectly and got $64.05 instead of $64.15. She likely made a mistake with place value when subtracting the cents. 

$64.15

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