Estimate, Add, Subtract Part 1

Estimate the sum of 879 + 145.

• 900

• 1,000

• 100

Estimate the sum.

• 50

• 60

• 70

Estimate the sum.

• 900

• 800

• 700

Find the sum.

Find the sum.

• 430

• 31,210

• 420

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

• 700
• 600
• 758
• 800

Tracy ordered 325 pet toys and 165 bags of dog food for her new pet store. Which is the best estimate of the total number of items Tracy ordered?

• 400
• 500
• 600
• 700

There was 926 people at basketball tournament. 607 people left before noon. Which is the best estimate of the number of people who stayed?

• 150
• 250
• 300
• 500

Estimate the difference to the largest place value.