Math Worksheet - Grade 7 Page 25
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34th
7
Grade Honors
Unit: Knowledge of Number Relationships & Computation
Objective: Add, subtract, and multiply positive fractions and mixed numbers. - C
Examples:
• To multiply fractions – Multiply the numerators & denominators.
• Be sure to change mixed numbers to improper fractions before multiplying.
1
5
5
x
=
3
8
24
1
2
4
17
68
8
1
x
3
x
4
=
=
=
3
5
3
5
15
15
3
11
**Remember: Changing mixed numbers to improper fractions.
2
= x
4
2
3
+
=
4
4
1
4
21
4
x
21
84
1 x
21
=
x
=
28
=
=
3
3
1
3
x
1
3
2
4
7
1
=
1.)
x =
2.)
4
×
3
5
3
2
1
1
2
=
=
3.)
4.)
2 ×
2
3×
5
2
3
9
5.) Anna wants to make 4 sets of curtains. Each set
6.) One sixth of the students at a local college are seniors.
1
1
requires 5
yards of fabric. How much fabric does she
The number of freshmen students is 2
times that
8
2
need?
amount. What fraction of the students are freshmen?
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