Place Value

Rounding and Estimation

Real World

Addition

Subtraction

100

7,000 + 500 + 30 + 6 in standard form

7,536

100

Round 451 to the nearest hundred.

500

100

Mrs. Jenison has 2,745 legos. Delyah has 1,543 fewer legos than Mrs. Jenison. How many legos does Delyah have?

Delyah has 1,202 legos.

100

6,305 + 2,512

8,817

100

8,754 - 531

8,223

200

Put in order from greatest to least: 1,064 12,046, 604, 2,640

12,046, 2,640, 1,064, 604

200

Round 345 to the nearest hundred.

300

200

Jace has 409 pieces of candy. He gives Charlotte and Delyah 383 pieces of candy. How many does he have left?

26

200

3,100 + 2,800

5,900

200

8,615 - 2,704

5,911

300

Compare:
2,998 ___ 2,989

>

300

Round to the thousand: 3,499

3,000

300

A supermarket has 358 red apples and 299 green apples. How many apples does the supermarket have in all?

657 apples

300

12,406 + 3,855

16,261

300

14,000 - 8,296

5,704

400

Read this number: 8,527

eight thousand, five hundred twenty-seven

400

Estimate: 809 - 355

400

400

2,500 people visit the Children's Museum on Monday. On Tuesday, there were 532 more people at the museum than on Monday. How many people visited on Tuesday?

3,032

400

4,265 + 2,058 =

6,323

400

2,561 - 684 =

1,877

500

Fill in the missing numbers
145, 135, 125, 115, ____, _____

105, 95

500

Estimate 456 + 123 =

600

500

Michael has 754 songs in his audio device.
He has 98 more songs than Peter.
How many songs do they have in all?

They have 1,410 songs in all.

500

4, 672 + 3,579 =

8,251

500

5,010 - 3,685 =

1,325