Estimating Fraction Products

Estimate the product.

• about 20

• about 15

• about 24

• about 8

Tags

CCSS.5.NBT.B.7

Cal buys 3/4 pound of granola. On a hike, he eats 3/4 of the granola he bought. To estimate the amount of granola he eats on his hike, Cal writes 3/4 × 3/4 . What is the best estimate for the amount of granola Cal eats on his hike?

• 1/2 pound

• 6/8 pound

• 1 1/2 pounds

• 2 1/4 pounds

Tags

CCSS.5.NBT.B.7

Estimate  83  x  1/4

• 30

• 20

• 15

• 10

Tags

CCSS.5.NBT.B.7

Estimate the product.

• about 20

• about 15

• about 24

• about 8

Tags

CCSS.5.NBT.B.7

Estimate:

3/4 x 21

• 15

• 5

• 10

• 9

Tags

CCSS.5.NBT.B.7

The answer?

• 24

• 8

• 53

• 10

Tags

CCSS.5.NBT.B.7

Estimate 3/7 x 2/5

• 1/2

• 0

• 1

• 1/4

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Estimate   21  x  1 7/8

• 40

• 24

• 21

• 18

Tags

CCSS.5.NBT.B.7

Estimate:

1/10 of 68

• 7

• 8

• 9

• 14

Tags

CCSS.4.NBT.B.5

a rough calculation of the product

• estimated product

• greatest common factor (GCF)

• reciprocal of the divisor

Tags

CCSS.4.NBT.B.5