Estimate Operations

Estimate the product. Round 824 to the nearest hundred.

5 x 824

5 x ______ = _______

• 4,000

• 3,500

• 3,000

• 1,000

Tags

CCSS.4.NBT.B.5

Estimate the product. Round to the nearest hundred. 6 x 435=_____

• 1,800

• 2,400

• 3,000

• 3,600

Tags

CCSS.4.NBT.B.5

Estimate to find the product of 93 x 8

• 72,000

• 72

• 720

• 7,200

Tags

CCSS.4.NBT.B.5

Estimate the sum to the largest place value.

A forester planted 3 types of trees in a park last year.

He planted 421 oak trees.

He planted 222 elm trees.

He planted 197 fir trees.

Write an expression to best estimate the difference between the number of oak trees and fir trees he planted?

Mathematical Equivalence

ON

Shane bought 3 shirts for $16.78 each, $21.99 on a pair of pants and $13.11 on a hat. Which is the best estimate for the amount of money in dollars Shane spent?

• 85.44

• 86

• 83

• 87

Tags

5.3.A

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

Match the following

• Round to the same place

• Estimating quotients

• Use compatible numbers

• Estimating decimal numbers

• Round to the nearest whole number

• Estimating sums and differences

• Round to the greatest places

• Estimating products

Norfolk, has a population of 242,628 people. Baltimore, has 376,865 more people than Norfolk. Charleston, has 496,804 less people than Baltimore. Round to the nearest hundred thousand to calculate an estimate.

Mathematical Equivalence

ON

Estimate the sum to the largest place value.