Addition
Subtraction
Random
Missing Number
Rounding
100

12 + 14

26

100

85 - 41

44

100

Write in standard form.

500 + 30 + 4

534

100

7 + ____ = 11

4

100

Round to the nearest ten.

37

40

300

25 + 33

58

300

59 - 27

32

300

What is the answer to an addition problem called?

sum

300

_____ + 5 = 14

9

300

Round to the nearest hundred.

842

800

400

56 + 37

93

400

54 - 35

19

400

What is the answer to a subtraction problem called?

difference 

400

15 - _____ = 7

8

400

Round to the nearest hundred.

367

400

500

426 + 362

788

500

784 - 372

412

500

What is the inverse (opposite) operation of addition?

subtraction

500

15 - ______ = 9

6

500

Round to the nearest thousand.

4,548

5,000

600

372 + 519

891

600

756 - 228

528

600

Write in standard form.
4,000 + 300 + 50 + 6

4,356

600

_____ - 9 = 4

13

600

Round to the nearest thousand. 

8,382

8,000