estimating products 3rd grade

Estimate. 58 x 61 =

• 3,000

• 4,000

• 3,600

• 360

Tags

CCSS.4.NBT.B.5

19 x 718

• 1,400

• 14,000

• 140

Tags

CCSS.4.NBT.B.5

Estimate the product of 99 X 7

• 70
• 700
• 7,000
• 7

Tags

CCSS.4.NBT.B.5

Which expression would be best to use for 62 x 23?

• 60 x 20
• 60 x 30
• 60 x 2
• 6 x 2

Tags

CCSS.4.NBT.B.5

A delivery company gave each of their 84 trucks 91 boxes each. Which expression shows about how many total boxes they had?

• 90 x 90
• 80 x 100
• 80 x 90
• 90 x 100

Estimate the product
44 x 8

• 40 x 10
• 40 x 20
• 50 x 8
• 40 x 8

Tags

CCSS.4.NBT.B.5

Estimate the product of: 
817 x 45

• 40,000
• 36,765
• 40,765
• 30,000

Tags

CCSS.4.NBT.B.5

19 x 718

• 1,400

• 14,000

• 140

Tags

CCSS.4.NBT.B.5

Estimate the product of 99 X 7

• 70
• 700
• 7,000
• 7

Tags

CCSS.4.NBT.B.5

Why do we estimate numbers?

• We estimate because our math teachers say so.
• Estimating is on the STAAR test.
• Estimating makes math calculations easier.
• We estimate because it makes math more difficult.