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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)

0

120	0% Mastery

Evaluate.

1.	(¹⁰⁸/_n) + 16 where n = 9

2.	(18 - 6) + n where n = 7

3.	(n • 4) + 8 where n = 3

4.	(¹⁰/_n) + 12 where n = 5

5.	n + (2 • 3) where n = 3

6.	20 + (4 • n) where n = 3

3

300	100% Mastery

Evaluate.

1.	n(3 • 2) where n = 4

2.	(n + 2)(3 + 0) where n = 9

3.	(⁴/₂) + ((ⁿ/₅) + 6) where n = 55

4.	(21 - 1 - 2 - 14)(¹⁵/_n) where n = 5

5.	2(n + 2) where n = 5

6.	(n - 8 - 5)(0 + 2) where n = 22

7.	(12 - 5) + n where n = 19

8.	(22 - 6 - 12) + ((ⁿ/₉) + 3) where n = 81

9.	5(4 + n) where n = 7

10.	10(⁷⁷/_n) where n = 7

11.	(ⁿ/₁) + 7 where n = 4

12.	16 - (n + 1) where n = 11

13.	(n + 1) + 8 where n = 3

14.	(2 + n) + ((2 • 6) + 12) where n = 10

15.	1 + (n • 1) where n = 1