Math 1 Unit 1 Evaluate Expressions

Vocab

100

A letter or symbol that represents and unknown value

variable

200

A fixed value

constant

300

A number multiplied by a variable

coefficient

400

Parts of an expression separated by + or -

terms

500

A property that says multiplying a number by two numbers being added together is the same as doing each multiplication separately

distributive property

PEMDAS

100

5 + 2 x 8 + 8 – 1

20

200

10 – 3² ÷ 3

7

300

4 + 2³ x 2 ÷ 4 – 6

2

400

[20 – (10 – 4)] ÷ (8 – 1)

2

500

36 – (5² + 4 ÷ 2) ÷ (2² + 5)

33

Like Terms

100

Which of the following is NOT a like term?

-2x²     3x²     -2x³     -3x²

-2x³

200

8x² – 6x²

2x²

300

x – 4x + 9 + 7x

4x+9

400

5x + 5y + 5z

5x + 5y + 5z

500

9(x + 5) – 7(x – 3)

2x + 66

Translate

100

The sum of x and 10

x + 10

200

The product of -3 and y

-3y

300

6 less than w

w – 6

400

The quotient of 25 and the quantity of x plus 4

25 ÷ (x+4)

500

The quantity of 9 more than x divided by the quantity of 12 less than y

(x + 9) ÷ (y – 12)

Evaluate

100

3x + 2 for x=5

17

200

5(x + 1)² for x=3

80

300

2x² - 7 for x=6

65

400

6x + y – 8 for x=3, y=10

20

500

x³ + 6y ÷ 9z for x=2, y=3, z=1

10