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Name _____________________________
Date ___________________
Mixed Review
Find the prime factorization of each number.
1.   47
2.   96
3.   92
4.   55
5.   29
6.   39
7.   77
8.   22
9.   78
10.   82
11.   71
12.   52

Fill in the missing number.
13.   9 - 4 + 1 +  - 3  =  8
14.   5 - 4 + 1 +   =  5
15.   8 - 2 -   =  2
16.   8 +  - 1  =  10

Fill in the missing number.
17.    (72.4 + 11.7 + 2.21 - 12 - )   =  72.42
18.    - 43.39 + 45  =  11.11
19.   63.7 -  + 2.7  =  64.81
20.    (92 + )  + 5.32 +  (13.9 + 27.56)   =  142.11

 

Key #2
Complete.
21.   Give two decimals whose product is 69.454 and whose difference is 0.27.
22.   Write a step-by-step procedure for converting any fraction to its decimal equivalent. Don't forget to explain what to do if the result is a repeating decimal.

Complete.
23.  
6.3
x 60
24.  
74.03
x 1
25.  
28.09
x 82
26.  
54.6
x 33
27.  
1.45
x 4
28.  
53.77
x 25
29.  
4.9
x 68
30.  
68.37
x 3
31.  
4.2
x 22
32.  
16.6
x 2

Complete by evaluating each expression
33.   79 +  (10 × n) 
for n=37
34.   n + 15 - 1
for n=98
35.    (7 - 2)  - n
for n=4
36.   55 × 30 + n
for n=5
37.   48 ÷ n + 5
for n=8
38.   n × 2 × 43
for n=61

Find the value of y.
39.  
2

5
  ×  
1

2
  =  
1

y

y  =  _____
40.  
6

7
  ×  
y

1
  =  
1
5

7

y  =  _____
41.  
1

3
  ×  
1

y
  =  
1

9

y  =  _____
42.  
6

y
  ×  
1

2
  =  3

y  =  _____
43.  
y

9
  ×  
4

5
  =  
4

9

y  =  _____
44.  
7

1
  ×  
5

9
  =  
3
y

9

y  =  _____
45.  
1

y
  ×  
3

1
  =  1

y  =  _____
46.  
3

11
  ×  
1

3
  =  
1

y

y  =  _____




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