Estimating Fraction Sums and Differences

Estimate and Solve 2/9 + 7/8

• 0
• 1/2
• 1

Tags

CCSS.4.NF.A.2

Estimate 1/5

• 0
• 1/2
• 1

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2

CCSS.3.NF.A.3

4/15 + 11/15 =

• 15
• 15/15 or 1
• 4/15
• 15/30

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.3

17/20 - 6/20

• 11
• 23/20
• 11/20
• 11/0

What number could be a common denominator for these two fractions?
1/5   and   5/6?

• 30
• 11
• 6
• 5

2/3 + 1/2 = 

• 6/7
• 2/6
• 3/5
• 7/6

What number could be a common denominator for these three fractions?
1/2   and   1/3   and   1/4

• 9
• 8
• 12
• 6

There was 7/8 of a yard of fabric left and Lisa used 6/8 of it on her Halloween costume. How much fabric is left?

• 1/8 yard
• 13/8 yards
• 2/8 yard
• Not enough information