Addition
Subtraction
Word Problems
Rounding
100

What is the sum of 25 and 18.

43

100

Use mental math to solve. 95- 50 = ?

45

100

A show begins at 9:18 am. Round the time to the nearest ten minutes.

9:20 am

100

Round 23 to the nearest ten.

20

200

Add 153 + 459.

612

200

Subtract 1,000 - 250.

750

200

An apple and pear weigh a total of 260 grams. The apple weighs 185 grams. How much does the pear weigh?

75 grams

200

Round 187 to the nearest hundred.

200

300

Add 256 + 256.

512

300

372 - 184 = ?

188

300

A juice box and a water bottle have a total of 852 mL. The juice box contains 364 mL. How many milliliters does the water bottle contain?

488 mL

300

Round 815 to the nearest ten.

820

400

Amy begins her homework at 3:30 pm. It takes her 20 minutes to complete her homework. At what time does Amy finish her homework?

3:50 pm

400

Find the difference between 205 and 186.

19

400

A box weighs 65 grams. How many grams do 3 boxes weigh? 

195 grams

400

Round 1,679 to the nearest ten.

1,680

500

Roger drinks water at every meal. At breakfast, he drinks 237 mL. At lunch, he drinks 300 mL. At dinner, he drinks 177 mL. Find the total amount of water he drinks at all three meals. 

714 mL

500

What does 500 - 195 = ?

305

500

Gloria fills water balloons with 238 mL of water. How many milliliters of water are in two balloons? Round your answer to the nearest ten and the nearest hundred.  

Answer: 476 mL

Nearest Ten: 480 mL

Nearest Hundred: 500 mL

500

Round 1,345 to the nearest hundred. 

1,300

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