Show:
Rounding
Place Value
Addition
Subtraction
100

Round to the nearest tens place.

                             17

       10 <————————>20

20

100

What place is the number 7 in?

47

Ones

100

Find the sum (Addition)

3+7=

3+7=10

100

Find the difference (Subtraction)

8-4=

8-4=4

200

Round to the nearest hundreds place.

                             152

              100<-—————->200

200

200

What place is the number 4 in?

439

Hundreds

200

Find the sum (Addition)

12+9=

12+9=21


200

Find the difference (Subtraction)

15-7=

15-7=8

300

Round to the nearest hundreds place.

                             647

              600<-—————->700

600

300

What place is the number 3 in?

839

Tens

300

Find the sum (Addition)

57+94=

57+94= 151

300

Find the difference (Subtraction)

25-17=

25-17=8

400

Round to the nearest hundreds place.

                             535

              500<-—————->600

500

400

What place is the number 9 in?

9,634

Thousands

400

Find the sum (Addition)

127+436= 

563

400

Find the difference (Subtraction)

534-257=

534-257=277

500

Round to the nearest thousands place.

                             1524

              1000<-—————->2000

2000

500

What place is the number 2 in?

23,763

Ten Thousands

500

Find the sum (Addition)

3,783+2,642=

6425

500

Find the difference (Subtraction)

1843-350=

1843-350=1493