Estimate Mixed Number Sums and Differences

Estimate the following fraction.
8   5/6

• 8
• 9
• 7
• 10

Estimate the following fraction.
13   8/9

• 13
• 13   1/2
• 14
• 12   1/2

Estimate the following fraction.
7   40/81

• 7
• 7.5
• 8
• 6.5

Estimate the following fraction.

20 4/10

• 20

• 20.5

• 19.5

• 21

Estimate the sum:

7 1/9 + 8 3/7

• 15

• 16

• 15 1/2

• 14 1/2

Estimate the sum:

3 3/5 + 6 1/7

• 9

• 10

• 10 1/2

• 9 1/2

Estimate the difference:
14   7/8 - 3   8/10

• 10 
• 11
• 12
• 13

Estimate the difference:
15   6/7 - 12   2/10

• 3
• 4
• 5
• 6

Robert's distance in the long jump is 6 11/12 feet. Mary's long jump is 4 4/5 feet. About how much farther is Robert's jump than Mary's?

• About 1 1/2 feet

• About 1 foot

• About 2 feet

• About 2 1/2 feet

Kim is 3 7/8 inches taller than Cammie. If Kim is 60 7/9 inches tall, which is the best estimate of Cammie's height?

• 65 inches

• 64 inches

• 56 inches

• 57 inches