Rounding to 10s
Rounding to 100s
Addition
Subtraction
Place Value
100

Name the counting by 10 numbers from 0 to 100.

0, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100

100

Name the counting by 100 numbers from 0-1,000.

0, 100, 200, 300, 400, 500, 600, 700, 800, 900, 1,000

100

35+14=

49

100

58-23=

35

100

In the number 356, what place is the 6 in?

Ones

200

Round 87 to the nearest 10.

90

200

Round 642 to the nearest 100.

600

200

459+230=

689

200

434-142=

292

200

In the number 938, what place is the 9 in?

Hundreds

300

Round 75 to the nearest 10.

80

300

Round 950 to the nearest 100.

1,000

300
298+363=

661

300

402-238=

164

300

Write this standard number in expanded form: 472

400+70+2

400

Round 728 to the nearest 10.

730

400

Round 892 to the nearest 100.

900

400

642+579=

1,221

400

300-186=

114

400

In the number 8,253 what place is the 8 in?

Thousands

500

Round 1,269 to the nearest 10.

1,270

500

Round 2,431 to the nearest 100.

2,400

500

1,487+3,953=

5,440

500

8,402-3,195=

5,207

500

Write this standard number in expanded form: 4,892

4,000+800+90+2