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

George has 202 legos.

100

305 + 512

817

100

754 - 531

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

Bob has 27 turkeys and Sue has 42 turkeys. About how many turkeys do they have all together?

What is 70?

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

908 + 479

1,386

200

615 - 504

111

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 413 apples. 268 are green apples. How many of the apples are red? 

145 apples are red

300

Bob has 406 Poke e man cards. Sue has 855. How many do they have all together?

1,261

300

900 - 296

604

400

Write in word form: 8,527

eight thousand, five hundred twenty-seven

400

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

There are about 1,300 books in all.  Or 1,410

400

500 people visit the Children's Museum on Monday. On Tuesday, there were 132 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

_ 41 + 137 = 378

2

400

_ 64 - 182 = 182

3

500

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

105, 95

500

Round 1,345 to the nearest ten and hundred.

1,350   1,300

500

Michael has 154 songs in his audio device. He has 98 more songs than Peter. How many songs do they have in all?

210

500

5 _ 6 + 194 = 770

7
500

375 - 1 _ 9 =  226

4

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