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Missing Factor - Sample Math Practice Problems

The math problems below can be generated by MathScore.com, a math practice program for schools and individual families. References to complexity and mode refer to the overall difficulty of the problems as they appear in the main program. In the main program, all problems are automatically graded and the difficulty adapts dynamically based on performance. Answers to these sample questions appear at the bottom of the page. This page does not grade your responses.

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Complexity=5

Supply the missing factor.
1.   × 2 = 4 2.   × 4 = 16

Complexity=5, Mode=algebra

Supply the missing factor.
1.   n × 5 = 20
n = 		2.   5 × n = 20
n =

Complexity=9

Supply the missing factor.
1.   9 × = 45 2.   35 = × 5

Complexity=9, Mode=algebra

Supply the missing factor.
1.   40 = n × 5
n = 		2.   32 = 4 × n
n =

Complexity=10

Supply the missing factor.
1.   54 = × 6 2.   4 × = 8

Complexity=12

Supply the missing factor.
1.   144 = × 12 2.   × 6 = 24

Complexity=15, Mode=algebra

Supply the missing factor.
1.   8 = 4 × n
n = 		2.   126 = n × 9
n =

Complexity=20, Mode=algebra

Supply the missing factor.
1.   13 × n = 78
n = 		2.   n × 7 = 49
n =

Answers

Complexity=5

Supply the missing factor.
#Correct AnswerYour Answer
1 × 2 = 4
#Correct AnswerYour Answer
2 × 4 = 16

Complexity=5, Mode=algebra

Supply the missing factor.
#ProblemCorrect AnswerYour Answer
1n × 5 = 20
n =
#ProblemCorrect AnswerYour Answer
25 × n = 20
n =

Complexity=9

Supply the missing factor.
#Correct AnswerYour Answer
19 × = 45
#Correct AnswerYour Answer
235 = × 5

Complexity=9, Mode=algebra

Supply the missing factor.
#ProblemCorrect AnswerYour Answer
140 = n × 5
n =
#ProblemCorrect AnswerYour Answer
232 = 4 × n
n =

Complexity=10

Supply the missing factor.
#Correct AnswerYour Answer
154 = × 6
#Correct AnswerYour Answer
24 × = 8

Complexity=12

Supply the missing factor.
#Correct AnswerYour Answer
1144 = × 12
#Correct AnswerYour Answer
2 × 6 = 24

Complexity=15, Mode=algebra

Supply the missing factor.
#ProblemCorrect AnswerYour Answer
18 = 4 × n
n =
#ProblemCorrect AnswerYour Answer
2126 = n × 9
n =

Complexity=20, Mode=algebra

Supply the missing factor.
#ProblemCorrect AnswerYour Answer
113 × n = 78
n =
#ProblemCorrect AnswerYour Answer
2n × 7 = 49
n =
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