Fraction Sums

Estimate the sum or difference:

6/7 + 2 4/5

• 2

• 3

• 4

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Estimate the sum or difference:

5/6 + 2/5

• 0

• 1

• 1 1/2

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Estimate the sum or difference:

5/8 - 1/5

• 0

• 1/2

• 1

Estimate the sum or difference:

1/6 + 3/8

• 0

• 1/2

• 1

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Estimate the sum or difference:

11/12 + 6/10

• 0

• 1

• 1 1/2

Estimate the sum or difference:

9/10 - 1/2

• 0

• 1/2

• 1

Estimate the sum or difference:

3/6 + 4/5

• 1

• 1 1/2

• 2

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

• Skip count for 8

  8, 16, 24, 32.

  Then, skip count for 3 or think of the divisibility rule for 3's.

  3, 6, 9, 12, 15, 18, 21, 24.

  Find the first lowest match.

• Add the denominators. Add 8 + 3.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

• 0

• 1

Tags

CCSS.4.NF.B.3A

• 0

• 1

Tags

CCSS.5.NF.B.5B