Assessment For The California Mathematics Standards Booklet - Grade 7 Page 9
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37Assessment For The California Mathematics Standards
Grade 7
Use factorization to find the least common denominators. Show your work.
NS 2.2
NS 2.2
NS 2.2
NS 2.2
NS 2.2
a.
3
7
b. 17
5
c.
9
5
+
=
+
=
-
=
8
12
9
3
10
6
a. Rewrite using factors and exponents, then simplify.
NS 2.3
NS 2.3
NS 2.3
NS 2.3
NS 2.3
1.
1000
2.
9
3.
4
100
81
64
b. Work each item. Write the answer as a regular fraction.
1.
(3 x 3)
(6 x 6)
x
=
2
0
2
3
÷
( )
(
)
(6 x 6 x 6)
(3 x 3 x 3)
2.
2
2
2
5
8.
Los Angeles County Office of Education: Mathematics
National Center to Improve the Tools of Education
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