Estimate 2 digit X 2 digit

ROUND to estimate: 39 x 37

• 2,000

• 900

• 1,200

• 1,600

Tags

CCSS.4.NBT.B.5

ROUND to estimate: 25 x 81

• 1,800

• 2,400

• 1,600

• 2,700

Tags

CCSS.4.NBT.B.5

ROUND to estimate: 88 x 23

• 1,800

• 2,400

• 2,700

• 2,100

Tags

CCSS.4.NBT.B.5

ROUND to estimate: 34 x 48

• 1,400

• 1,600

• 1,200

• 1,500

Tags

CCSS.4.NBT.B.5

Estimate 86 x 92

• 810
• 8,100
• 81,000
• 7,912

Tags

CCSS.4.NBT.B.5

Estimate:
37  x  63 =

• 2,331

• 2,100
• 2,400
• 2,800

Tags

CCSS.4.NBT.B.5

*ESTIMATE* 21 x 39

• 800

• 1,000

• 200

• 1,800

Tags

CCSS.4.NBT.B.5

*ESTIMATE* 27 x 42

• 1,200

• 1,000

• 400

• 1,600

Tags

CCSS.4.NBT.B.5

Jenny is estimating the product of 29 x 66. She rounds the factors to 30 x 70 and gets a product of 2,100. Is that true or false?

• true

• false

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