Add and Subtract Hundreds and Tens

Estimate the sum of 327+431 by rounding to the nearest hundreds

• 700

• 600

• 758

• 800

Estimate this sum: 56+43

• 99

• 100

• 90

• 110

Estimate the difference of 470-289 by rounding to the nearest hundreds

• 300

• 100

• 181

• 200

The KEY words: Decrease, Left, Difference, Less, Fewer, Minus, Give Away, Compared, Take Away, & Spend mean to ___.

• Multiply

• Divide

• Subtract

• Add

The KEY words: Total, In All, Sum, Add, Plus, Increase, Combine, Both, & All Together mean to ___.

• Multiply

• Divide

• Subtract

• Add

• 4

• 5

• 3

• 6

• 0

• 9

• 1

• 8

Mrs. Mullinax had 546 toy cars. She gave 271 cars to her friends. How many toy cars did Mrs. Mullinax have left?

• 275 toy cars

• 277 toy cars

• 735 toy cars

• 335 toy cars

• 301
• 401
• 201
• 299

• 1300
• 400
• 1200
• 500