Algebraic Expression

Writing Expressions

100

The sum of a number and 7

x + 7

200

6 less than 5 times a number 

5x - 6

300

The 3 more than the quotient of a number and 2 

x/2 + 3

400

Twice the sum of a number and 9

2 (x + 9)

500

one fourth of the difference between a number and 6

(x - 6)/4

Evaluating Expressions

100

4x - 9y    when x = 7 and y = 4

- 8

200

9x + 3y - 5z      if   x = -1   y = -2    z = - 3

0

300

3x(4y - 2)            if      x = 3  y = - 1

- 54

400

5x³ - 2y               if  x = -2   y = -3 

-34

500

-2[-8x - y - 2z]        if x = 4    y = -5    z = 7 

82

Expanding Brackets

100

4(x - 7)

4x - 28

200

3(2x - 3y)

6x - 9y

300

-8(-2 - 4y)

16 + 32y

400

7x(5x - 4y) 

35x² - 28xy

500

 4(6x - 5) - 2(3x - 7)

18x - 6

Sequences & Parts of Expressions

100

The n-th term is      4n - 5

Find the 7th term 

23

200

The n-th term = 6n² 

What is the 3rd term?

54

300

Name ALL of the COEFFICIENTS in: 

9x - y + 13

9 and -1

400

E = mc² is a __________________

Expression / Equation / Formula / Identity

Formula

500

What are the next 2 terms of the sequence? 

-2, 5, -4, 7, -6, 9, ______, ______ 

-8, 11

Combining Like Terms

100

Simplify

5x - 7y + 4x - y 

9x - 8y 

200

Simplify

- 6y - 12 - 4y - 6

-10y - 18 

300

Simplify 

7x - 5 + 3(x + 8)

10x + 19

400

Simplify 

 -2(x² - 1) - 3(5x² - 2)

-17x² + 8

500

Simplify 

-7 - 3z + 6y - z - 12 - 11y 

- 5y - 4z - 19