Rounding
Hard
Addition
Subtraction
100

Round each number to the nearest 10

A. 66
B. 118
C. 525
D. 2861

A. 70
B. 120
C. 530
D. 2860

100

Are the following True or False?

A. 329+113=330+112
B. 123-109=122-110

A. True

B. False

100

Solve 57+39

96

100

Solve 72-15

57

200

Round each number to the nearest 100

A. 366
B. 118
C. 525
D. 2861

A. 400
B. 100
C. 500
D. 2900

200

Fill in the blanks

A. 673+249=________+250

B. 843-129=_______-130

A. 672

B. 844

200

Solve 236+462

698

200

Solve 182-117

65

300

Which two numbers have a sum closest to 500?

A. 655
B. 300
C. 213
D. 525

B. 300
C. 213

300

The fourth grade had 363 students. Over winter break, 94 students moved away, but 26 new students moved in. How many students are now in fourth grade?

295 students

300

Solve 405+198

603

300

Solve 224-25

199
400

Which two numbers have a sum closest to 700?

A. 560
B. 400
C. 270
D. 442

C. 270
D. 442

400

Fill in the blanks

A. 543+529=________+530

B. 543-529=________-530

A. 542
B. 544

400

Solve 263+499

762

400

Solve 624-616

8

500

Which two numbers have a sum closest to 1,000?

A. 560
B. 400
C. 270
D. 442

A. 560
D. 442

500

The school had 253 students, over break 64 moved away, but 16 moved in. How many students are there now?

205 students

500

Solve 263+498

761

500

This month the fourth and fifth graders had a contest to see who could read the most books. By the end of the month, fourth grade read 637 books and fifth grade read 674 books.
Which grade won?
How many more books did the winners read?

Fifth grade

37 books