Rounding and Estimation Word Problems

I sold 782 pencils, 235 erasers. What is the best estimate of the number of supplies we sold? 

• 1,000

• 900

• 800

• 1,100

I had 351 blue crayons, 329 green crayons, and 317 red crayons. Which shows the best way to estimate how many more blue than red crayons? 

• 300-200 

• 400-300

• 300-300

• 400-400

I bought a camera for $637 and a printer for $125. Which is the best estimate of how much more the camera cost than the printer? 

• 500

• 600

• 700

• 400

One pig weighed 326 and the other pig weighed 448. Which number sentence shows the best way to estimate the weight of the 2 pigs? 

• 500-300

• 500+400

• 400+300

• 400-300

I had 185 daisies, 175 roses and 135 carnations. Which is the best estimate of the number of roses I had? 

• 500

• 600

• 300

• 100

I want to round the numbers 332 and 770 to the nearest hundred. Which statement is true about the numbers I rounded?

• 770 will round to 700

• Both numbers will round to 600

• 332 will round to 300

• 332 will round to 400

Estimate by rounding to the nearest ten

119

+83

Estimate the sum by rounding to the nearest hundred.

307

+85

Estimate the sum by rounding to the nearest ten

282

+139

What is 471 rounded to the nearest 100?

• 500

• 450

• 400

• 550