Estimating Fractions
sums and differences
mixed numbers
equations
word problems
100
Choose a benchmark (0, 1/2, or 1) for the following measurement...5/8
1/2
100
answer in simplest form...1/10 + 4/10
1/2
100
answer in simplest form... 8 4/5 + 4 3/15
15
100
Solve each equation. Write your answer in simplest form. x + 1/3 = 1
2/3
100
Carlos jumped 1 3/4 feet less than the winning jump of 14 7/8 ft. How far did Carlos jump?
13 1/8 feet
200
Choose a benchmark (0, 1/2, or 1) for the following measurement...15/17
1
200
answer in simplest form...6/8 - 1/3
5/12
200
answer in simplest form...16/25 - 1/3
23/75
200
answer in simplest form...x - 2/3 = 3/8
1 1/24
200
Your aunt lives 25 miles away. So far, your family has driven 6 3/8 miles towards your aunt's house. How much farther is it to your aunt's house?
18 5/8 miles
300
Estimate each sum or difference. Use the benchmarks 0, 1/2, and 1 to help. 8/10 + 6 1/5
7
300
answer in simplest form...5/4 - 7/12
2/3
300
answer in simplest form...7 4/5 + 7 4/5
15 3/5
300
answer in simplest form...4 4/5 + x = 6 11/15
11 8/15
300
Joseph brought 1 3/8 pounds of pork and 1 2/3 pounds of chicken. How much meat did he buy in all?
2 1/24 lbs. of meat
400
Estimate each sum or difference. Use the benchmarks 0, 1/2, and 1 to help. 7 9/11 - 3 16/31
4 1/2
400
answer in simplest form...7/19 + 1/3
40/57
400
answer in simplest form...21 1/6 - 14 5/8
6 13/24
400
answer in simplest form...1 7/8 + x = 6 19/24
8 2/3
400
Kirk is building a fence. He has 40 feet of fencing. Of what dimensions can Kirk build the fence to get the greatest area?
10 ft. x 10 ft. = 100 sq. feet
500
Estimate each sum or difference. Use the benchmarks 0, 1/2, and 1 to help. 5 1/3 + 6 7/8
12
500
answer in simplest form...4/9 - 8/27
4/27
500
7 3/8 + 5 4/9
12 59/72
500
answer in simplest form...x - 5 4/7 = 16 2/3
22 5/21
500
http://www.risd.k12.nm.us/problems/Problem3.pdf
2 6/7 hours per week
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