1. Equivalent Expressions by Collecting Like Terms
6.EE.4 Identify when two expressions are equivalent (i.e., when the two expressions name the same number regardless of which value is substituted into them).
Created by B. MacQueen 2013

2. Simplify by collecting like terms.
4 + x x
4x + 9

3. Simplify by collecting like terms.
6y + 2y y
9y + 4

4. Simplify by collecting like terms.
8a a + 14
11a +16

5. Simplify by collecting like terms.
4 + n + n + n + 9
3n + 13

6. Simplify by collecting like terms.
3(2c + 4) + 2(5c + 5)
16c + 22

7. Simplify by collecting like terms.
6(7z + 6) + 5(2z + 8)
52z + 76

8. Simplify by collecting like terms.
7(9b + 2) + 3(7b + 2)
84b + 20

9. Determine whether the given expressions are equivalent
Determine whether the given expressions are equivalent. Justify your reasoning.
3y + 6 • (1 + 2) and 3y +9
Not equivalent!

10. Determine whether the given expressions are equivalent
Determine whether the given expressions are equivalent. Justify your reasoning.
4y + 3 • (1 + 2) and 4y +9
Equivalent!

11. Determine whether the given expressions are equivalent
Determine whether the given expressions are equivalent. Justify your reasoning.
5(3 + 3) and • 6
Equivalent!

12. Determine whether the given expressions are equivalent
Determine whether the given expressions are equivalent. Justify your reasoning.
6v + 2 • (2 + 2) and 6v + 6
Not equivalent!