Mastering Estimation in Math

Estimate   32+49____

Amy rode her bike last weekend. Which is the best estimate of the total number of miles she rode her bike?

Find the value of a.

Which number sentence shows the best estimate of the total number of coins?

237 fourth graders and 346 fifth graders went on a field trip. Estimate how many more fifth graders were on a field trip than fourth graders.

Round the number 4,567 to the nearest hundred.

Estimate the sum of 678 and 234 by rounding each number to the nearest ten.

Round the number 12,345 to the nearest thousand.

Estimate the difference between 1,234 and 567 by rounding each number to the nearest hundred.

Round the number 89.76 to the nearest whole number.