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Add And Subtract Fractions
Test Description: 5th Grade Math Review
Instructions: Answer all questions to get your test result.
1) Is 3/8 + 3/6 closer to 1 or closer to 1 1/2?
A
The answer will be closer to 1 1/2.
B
It is impossible to add fractions with unlike denominators.
C
There is no way to know for sure.
D
The answer will be closer to 1.
2) 3/5 + 1/3
A
14/15
B
12/15
C
7/8
D
4/8
3) 6/8 + 3/4
A
9/8
B
12/8
C
9/4
D
9/12
4) 5/6 + 1/3
A
1 1/6
B
6/9
C
1 3/6
D
7/9
5) 4/9 - 1/3
A
3/9
B
3/6
C
1/9
D
1/3
6) 3/4 - 2/8
A
4/8, 2/4, or 1/2
B
6/8, 3/4, or 5/9
C
3/8, 1/4, or 1/8
D
5/8, 3/4, or 2/3
7) When adding 6/8 + 2/3, what do you have to do first?
A
Find a common denominator.
B
Draw a picture of two pies.
C
Multiply the 6 times the 2.
D
Turn the 3 into an 8.
8) To solve the problem 7/9 - 2/6, what do you need to do first?
A
Multiply 9 x 2 and 6 x 3 to find a common denominator.
B
Multiply both fractions times each other and then subtract.
C
You can't subtract this type of fraction.
D
Multiply 7 x 2 and 2 x 2 to find a common numerator.
9) Why should you use benchmark fractions when adding and subtracting fractions?
A
Benchmark fractions are the same as common denominators.
B
Benchmark fractions tell you how to multiply the denominator.
C
Benchmark fractions are not helpful in any way.
D
Benchmark fractions help visualize the size of fraction you are working with.
10) What is 1 2/3 + 6 1/5?
A
7 2/15
B
7 3/8
C
7 5/8
D
7 13/15
11) What is 3 2/6 + 2 7/8?
A
6 9/24
B
5 27/24
C
5 29/24
D
6 5/24
12) What is 4 3/9 + 2 2/3?
A
7 3/9
B
6 8/9
C
7
D
6 5/12
13) What is 7 9/12 - 4 2/3?
A
3 1/2
B
2 1/12
C
3 1/12
D
2 9/12
14) What is 5 3/8 - 2 7/8?
A
3 4/8
B
2 4/8
C
3 2/8
D
2 6/8
15) What is 6 3/9 - 1 2/3?
A
5 2/9
B
4 6/9
C
5 6/9
D
4 1/6
*select an answer for all questions
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