Place Value

Place Value

Rounding and Estimation

Real World

Addition

Subtraction

100

10,000 + 7,000 + 500 + 30 + 6 in standard form

17,536

100

Round 451 to the nearest ten and hundred.

450 and 500

100

Bob has 12,745 legos. George has 1,543 fewer legos than Bob. How many legos does George have?

George has 11,202 legos.

100

6,305 + 2,512

8,817

100

8,754 - 531

8,223

200

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

12,640 12,604 12,064 12,046

200

Round 1,345 to the nearest ten and hundred.

1,350 and 1,300

200

5,476 people ride Bus D in March.
1,486 fewer people ride Bus E in the same month.
a. How many people ride Bus E in March
B. How many people ride both buses in March?

a. 3,990 people ride Bus E in March.
b. 9,466 people ride both buses in March.

200

3,100 + 2,800

5,900

200

8,615 - 2,704

5,911

300

Compare:
2,998 ___ 2,989

>

300

Joe sold 145 cups of lemonade.
Jim sold 218 cups of lemonade.
About how many cups did the sell in all?

They sold about 300 (or 370) in all.

300

A supermarket has 1,213 apples. 368 are green apples.
a. How many of the apples are red?
b. How many more red apples than green apples does the supermarket have?

a. 845 apples are red.
b. There are 477 more red apples than green apples.

300

12,406 + 3,855

16,261

300

14,000 - 8,296

5,704

400

Write in word form: 8,527

eight thousand, five hundred twenty-seven

400

Bookshelf one has 549 books.
Bookshelf two has 863 books.
Bookshelf three has 398 books.
About how many books are there in all?

There are about 1,800 books in all.

400

2,500 people visit the Children's Museum on Monday.
On Tuesday, there were 532 more people at the museum than on Monday.
What is the total number of visitors for both days?

There were 5,532 visitors total for both days.

400

_,265 + 2,058 = 6,323

4

400

2,_61 - 684 = 1,877

5

500

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

105, 95

500

Mark had $10,314.
He spent $1,532 on a new TV.
He also spent $679 on a new phone.
About how much money does he have left?

He has about $8,100, or about $7,000 left.

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,_79 = 8,251

5

500

5,010 - _,685 = 1,325

3