Place Value
Rounding
Addition
Subtraction
100

What number is the tens place value?

105

0

100

What is 23 rounded to the nearest ten?

20
100
Add:

85 + 64

149

100

Subtract

100 - 45

55

200

What number is in the hundreds place value?

754

7

200

What is 543 rounded to the nearest hundred?

500

200

Add:

147 + 398

545

200

Subtract

156 - 123

133

300

What is 225 in expanded form?

200 + 20 + 5

300

What is 1435 rounded to the nearest tens?

1440

300

Add:

723 + 54

777

300

Subtract

789 - 593

196