Estimate Differences Grade 3

Estimate the difference to

71-37=

• 30

• 40

• 35

Tags

CCSS.3.NBT.A.2

CCSS.3.OA.D.8

Estimate the difference to

89-31

• 70

• 60

• 50

Tags

CCSS.3.NBT.A.1

CCSS.3.NBT.A.2

CCSS.3.OA.D.8

Round to the nearest hundred; then estimate:

642 − 137

• 600

• 780

• 500

• 510

Estimate the difference of 320 -190 by rounding to the nearest hundred.

• 300

• 280

• 0

• 100

Round to the nearest hundred; then estimate:

546 −209

• 300

• 700

• 20

• 550

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

Tags

CCSS.3.NBT.A.2

CCSS.3.OA.D.8