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Missing Operator - 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, Mode=addsub

Supply the missing operator.
1.   4 3 = 7 2.   6 2 = 4

Complexity=9, Mode=addsub

Supply the missing operator.
1.   5 = 13 8 2.   9 3 = 6

Complexity=5, Mode=all

Supply the missing operator.
1.   5 = 10 2 2.   8 4 = 2

Complexity=9, Mode=all

Supply the missing operator.
1.   8 4 = 12 2.   15 5 = 3

Complexity=10, Mode=all

Supply the missing operator.
1.   63 = 9 7 2.   5 = 8 3

Complexity=12, Mode=all

Supply the missing operator.
1.   3 1 = 3 2.   2 = 2 1

Complexity=15, Mode=all

Supply the missing operator.
1.   3 = 3 1 2.   5 = 7 2

Complexity=20, Mode=all

Supply the missing operator.
1.   15 5 = 20 2.   19 8 = 11

Answers


Complexity=5, Mode=addsub

Supply the missing operator.
#Correct AnswerYour Answer
14 3 = 7
#Correct AnswerYour Answer
26 2 = 4

Complexity=9, Mode=addsub

Supply the missing operator.
#Correct AnswerYour Answer
15 = 13 8
#Correct AnswerYour Answer
29 3 = 6

Complexity=5, Mode=all

Supply the missing operator.
#Correct AnswerYour Answer
15 = 10 2
#Correct AnswerYour Answer
28 4 = 2

Complexity=9, Mode=all

Supply the missing operator.
#Correct AnswerYour Answer
18 4 = 12
#Correct AnswerYour Answer
215 5 = 3

Complexity=10, Mode=all

Supply the missing operator.
#Correct AnswerYour Answer
163 = 9 7
#Correct AnswerYour Answer
25 = 8 3

Complexity=12, Mode=all

Supply the missing operator.
#Correct AnswerYour Answer
13 1 = 3
#Correct AnswerYour Answer
22 = 2 1

Complexity=15, Mode=all

Supply the missing operator.
#Correct AnswerYour Answer
13 = 3 1
#Correct AnswerYour Answer
25 = 7 2

Complexity=20, Mode=all

Supply the missing operator.
#Correct AnswerYour Answer
115 5 = 20
#Correct AnswerYour Answer
219 8 = 11
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