Estimation Practice

Round to the Nearest HUNDRED to Estimate the Sum

Round to the Nearest TEN to Estimate the Sum

Round to the Nearest TEN to Estimate the Sum

Estimate the sum by rounding each addend to the nearest ten. 23 + 65 = ____

Eddy spend $15.45 on a shirt, $21.99 on a pair of pants, and $12.15 on a hat. Which is the best estimate for the amount of money in dollars Eddy spent? (a)  

• $40

• $50

• $70

• $60

Lane has 8 boxes of 687 pickles. What is the high and low estimate of how many pickles Lane has?

• 5,600

• 4,800

• 0

• 6,400

• 7,000

Mrs. Akin has ABOUT 580 stickers. How many COULD she have? 

• 555

• 576

• 585

• 574

Match the following

• Round to the greatest places

• Estimating products

• Round to the same place

• Estimating sums and differences

• Use compatible numbers

• Estimating decimal numbers

• Round to the nearest whole number

• Estimating quotients

Melany is organizing a city carnival and needs to estimate the number of balloons she needs. She found a supplier who can provide a pack of balloons that contains 927 balloons and she thinks she will need about 516 packs. Estimate the numbers to the nearest hundred and then solve. How many balloons will Melany have approximately?

• 4,500

• 45,000

• 450,000

• 45

A school bought 722 packages of glow sticks for a party. Each package contained 6 glow sticks. What is the best estimate of the number of glow sticks purchased by the school?

Hint: Round the packages of glow sticks to the tens place**

• 120

• 4,320

• 100

• 4,000