Vocabulary
Writing Expressions
Simplifying Expressions
Equivalent Expressions
Substitution
100

A letter or symbol used to represent an unknown value. 

What is a variable? 

100

The sum of a number and 12. 

What is a + 12? 

100

Simplify. 

4x + x - 2x + 3x + 5 

What is 6x + 5?
100

Are the equations below equivalent? Explain.

6x + 5 - 9       and       -9 + 6x - 5 

What is no? 

100

Evaluate if x = 5 

x+ 8 

What is 33?

200

A value, number, or symbol that does not change, remains fixed, and stays the same throughout a specific problem, expression, or equation

What is a constant? 

200

The product of nine and a number. 

What is 9x? 

200

Simplify. 

3x - 4y + 6y - 8x 

What is -5x + 2y or 2y - 5x? 

200

Use factoring to create an expression equivalent to: 

24x + 40

What is 8(3x + 5)?

200

Evaluate if y = 3 

8(4y + 7y) 

What is 264? 

300

A combination of numbers and variables separated by operation signs. E.g. 2x + 15 

What is algebraic expression? 

300

12 and a number x increased by 7 and a number x.

What is 12x + 7x?

300

Simplify. 

7a - 4b - 8b + 12 - 7 - 13a 

What is -6a -12b + 5? 

300

Use factoring to create an expression equivalent to: 

15y - 20 + 35y 

What is 10(5y - 2)?

300

Evaluate if a = 3 and b = 8 

7ab + 5b 

What is 128? 

400

Two expressions that have the same value 

What are equivalent expressions? 

400

K less than the product of eight and g. 

What is 8g - k? 

400

Simplify. 

12(3x - 5 + 7x) 

What is 120x - 60? 

400

Create three expressions equivalent to: 

8(3 + 5g + 9) 

What is:

96 + 5g

5g + 96 

24 + 5g + 72 

400

Jason is three years older than double his little sister age. If Jason is 11, how old is his little sister? 

What is four years old?

500

A numerical quantity placed before a variable in an algebraic expression. The number is multiplied by the variable.

What is coefficient?

500

The sum of eight and a number x, times four.

What is 4(8 + x)?

500

Simplify. 

8(4a - 7b + 3c) + 4(3a + 5b - 2c) 

What is 44a - 36b + 16c?

500

Create three equations equivalent to: 

36g - 84h 

What is: 

3(12g - 28h)

6(6g - 14h) 

12(3g - 7h)  

500

Evaluate when x = 5, y = 3, and z = 4

4(3x - 8y + 5z) + 3(6x + 2y - 4z) 

What is 104? 

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