Math Practice Topic: Variable Substitution

Description: Evaluate expressions with variables. You may need pencil and paper.

Adaptive Learning Progression: The number of terms increases.

Sample Levels (out of 4)

Evaluate.

1.
n + (10 + 1) where n = 13
2.
(12 - n) + 15 where n = 0
3.
3 + (1 • n) where n = 12
4.
(12/n) + 12 where n = 4
5.
19 + (n + 0) where n = 5
6.
n + (1 • 6) where n = 4

Evaluate.

1.
3(17 - n) where n = 11
2.
(3 • n) + 15 where n = 3
3.
n + (40/8) where n = 2
4.
(5 + 6) + ((n • 2) + 10) where n = 4
5.
(10 + 2) + ((20 - 4 - n) + 3) where n = 6
6.
(18 - n)(1 • 11) where n = 10
7.
23 - (6 + n) where n = 5
8.
(15 - 13)(7 + n) where n = 0
9.
(3 • 4) + n where n = 3
10.
8 + (n/10) where n = 70
11.
(n/3) + ((18 - 7) + 9) where n = 9
12.
(n • 2)(1 • 7) where n = 4
13.
16 + (14 - n) where n = 10
14.
20 + (4/n) where n = 1
15.
4(n/6) where n = 36

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