Addition
Rounding
Estimation
Subtraction
Random
100

Add 560 and 457

1,017

100

Round 562 to the nearest 10

560

100

Estimate 268 + 323

600

100

Find the difference of 425 - 314

111

100

Use mental math to do 76 - 34

42

200

Find the sum of 1,382 and 3,216

4,598

200

Round 753 to the nearest 100

800

200

Estimate 718 - 310

400

200

2,362 - 1,340

1,022

200

Round 2,996 to the nearest 10

3,000

300

Find the sum of 5.725 and 3,677

9,402

300

Round 967 to the nearest 100

1,000

300

Estimate 225 + 472

700

300

6,725 - 3,301

3,424

300

There are 2,341 girls in sports and 3,004 boys in sports. How many altogether?

5,345

400

Ava has 164 more candies than Airyn. Airyn has 456 candies. How many candies does Ava have?

620

400

What is the lowest number that rounds to 800

750

400

Estimate 826 - 732

100

400

8,032 - 5,876

2,156

400

Rylee has 183 books. Violet has twice as many books. Estimate the number of books they have altogether.

600

500

The sum of 1,092 and 2,046 is __________ more than 2,248

890

500

What is the greatest number that rounds to 400

449

500

Is 800 close to 645 + 483?

No

500

Ellie brought 4,872 doughnuts. 2,984 got eaten. How many are left?

1,888

500

Madison has 3,276 candies. She has 547 fewer candies than Manhattan. How many candies do they have in all?

7,099

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