Rounding to the Nearest 10s
Rounding to the Nearest 100s
Addition
Subtraction
Terms
100

Round 34 to the nearest 10.

30

100

Round 243 to the nearest hundred.

200

100

Solve: 124 + 235 = ?

359

100

Solve: 456 - 123 = ?

333

100
I am the answer to an addition problem. What term am I?

Sum

200

Round 67 to the nearest 10.

70

200

Round 368 to the nearest hundred.

400

200

Solve: 243 + 156 = ?

399

200

Solve: 587 - 234 = ?

353

200

I am the answer to a subtraction problem. What term am I?

Difference

300

Round 145 to the nearest 10.

150

300

Round 550 to the nearest hundred.

600

300

Solve: 376 + 248 = ?

624

300

Solve: 642 - 278 = ?

364

300

I am a number that is being added to another number. What term am I?

Addend

400

Round 296 to the nearest 10.

300

400

Round 749 to the nearest hundred.

700

400

Solve: 485 + 367 = ?

852

400

Solve: 803 - 456 = ?

347

400

I am a strategy used to find a number that a given number is closest to, such as the nearest 10 or nearest 100. What term am I?

Rounding

500

Which number rounds to 430 when rounded to the nearest 10?

A. 242

B. 425

C. 436

D. 439

B. 425

500

Which number rounds to 700 when rounded to the nearest 100?

A. 649

B. 650

C. 749

D. 751

C. 749

500

Solve: 468 + 357 = ?

825

500

Solve: 700 - 358 = ?

342

500

I am an operation that can be used to check the answer to another operation. Addition and subtraction are examples.

Inverse

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