Math Skill: Missing Term

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Missing Term

There are 2 ways to find the missing term.

METHOD 1: Use math facts

6 + = 14
Think: 6 + 8 = 14
The missing term is 8.
6 + 8 = 14

METHOD 2: Use inverse operations

- 11 = 10
Think: 10 + 11 = 21
The missing term is 21.
21 - 11 = 10

Complexity=5

Supply the missing term.

1. 5 = 9 -

2. 5 + = 7

Complexity=5, Mode=algebra

Supply the missing term.

1. 7 = n + 2
n =

2. n - 4 = 1
n =

Complexity=9

Supply the missing term.

1. 4 = 2 +

2. 2 = 6 -

Complexity=9, Mode=algebra

Supply the missing term.

1. 6 = n - 2
n =

2. 18 = 9 + n
n =

Complexity=10

Supply the missing term.

1. 4 = - 9

2. 3 + = 4

Complexity=12

Supply the missing term.

1. 10 - = 5

2. 17 = + 6

Complexity=15, Mode=algebra

Supply the missing term.

1. n + 10 = 15
n =

2. n - 14 = 11
n =

Complexity=20, Mode=algebra

Supply the missing term.

1. 10 = n + 3
n =

2. 12 = 19 - n
n =

Answers

Complexity=5

Supply the missing term.

#	Correct Answer	Your Answer
1	5 = 9 -

#	Correct Answer	Your Answer
2	5 + = 7

Complexity=5, Mode=algebra

Supply the missing term.

#	Problem	Correct Answer	Your Answer
1	7 = n + 2	n =

#	Problem	Correct Answer	Your Answer
2	n - 4 = 1	n =

Complexity=9

Supply the missing term.

#	Correct Answer	Your Answer
1	4 = 2 +

#	Correct Answer	Your Answer
2	2 = 6 -

Complexity=9, Mode=algebra

Supply the missing term.

#	Problem	Correct Answer	Your Answer
1	6 = n - 2	n =

#	Problem	Correct Answer	Your Answer
2	18 = 9 + n	n =

Complexity=10

Supply the missing term.

#	Correct Answer	Your Answer
1	4 = - 9

#	Correct Answer	Your Answer
2	3 + = 4

Complexity=12

Supply the missing term.

#	Correct Answer	Your Answer
1	10 - = 5

#	Correct Answer	Your Answer
2	17 = + 6

Complexity=15, Mode=algebra

Supply the missing term.

#	Problem	Correct Answer	Your Answer
1	n + 10 = 15	n =

#	Problem	Correct Answer	Your Answer
2	n - 14 = 11	n =

Complexity=20, Mode=algebra

Supply the missing term.

#	Problem	Correct Answer	Your Answer
1	10 = n + 3	n =

#	Problem	Correct Answer	Your Answer
2	12 = 19 - n	n =

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