extended subtraction
expanded subtraction
Estimate using Quarter rounding
Traditional Subtraction
Word problems
100

16-9= ______

160-90= ______

1,600- 900=______

What is 7,70,and 700

100

 87-63=

80    7

-60   3

20     4=  24

Answer: What is 24

100

76-26

76        75

-24      -25

Answer what is  25

100

72-38=

72

-38

34

Answer: What is 34

100


Which station played the most music in one day?

A: Rock

B: Jazz

C: Rap

Answer: What is C: Rap

200

15-______=8

150-_____=80

1,500- 700=_____

What is 7,70,800

200

294-66=

200    90   4

-         60   6

200     20    8= 228

Answer: What is 228

200

58-31=

58       50

-31     -25

            25

Answer: What is 25

200

894-38 =

894

- 38

856

Answer: What is 856

200

How many more songs did the jazz station play on Monday than on Tuesday?


Answer: What is 10 songs?

300

____- 3= 5

_____- 30=50

800- ____= 300

What is 8,80,500

300

725-62=

700      20     5

-           60     2

600      60      3=  663

Answer: What is 663

300

592-309=

592           600

-309         -300

                 300

Answer: What is 300  

300

652-270=

652

-270

382

Answer: What is 382

300

On Tuesday, what was the difference between the number of rock songs and the number of rap songs?

Answer: What was 30 more rap songs

400

12-7 =_____

120- ____ =70

1,200- 500 = _____

What is 5,50,700

400

803-471=

800      0        3

-400     70       1

300       30       2 = 332

Answer: What is 332

400

505 - 221=

505         500

-221      - 225

               275

Answer: What is 275

400

502-125=

 502

-125

 377

Answer: What is 377

400

What was the total number of songs played for all three stations on Wednesday?

Answer: What is 445 songs?

500

800- 245 =

 802

-245

 557

Answer: What is 557

500

What was the difference between the number of songs played on the jazz station on Monday an don Wednesday?

Answer: What was 15 more songs on Wednesday?