Working with Algebra

Key Words

100

What is a pronumeral?

A letter used to represent a number

200

What is a Coefficient?

A number placed in front of a pronumeral and multiplies the pronumeral

300

What is a variable?

A quantity that can change

400

What is a term?

A single number, variable, or a single number multiplied with a variable

500

What is a like term?

Terms that contain the same pronumeral

Identify

100

Identify the coefficient:

6f

6

200

Identify the variable in this equation:

10+21w-4

w

300

If you collect the like terms, what is the answer?

7x+2t-3x+5t

4x + 7t

400

Which of the following is like terms with 5g

g²

18000

5

8g

8g

500

Is 72c a:

variable

coefficient

term 

pronumeral

term

Work it out

100

solve for t:

t+5 = 20

t=15

200

7s =21

s=3

300

18p+6 = 66

p=4

400

2x+2x=8

x=2

500

9x +5 -4x = 20

x=3

Bonus

100

What is the formula for Pyhtagoras' theorem?

c²= a²+b2

200

Name 3 different types of triangles

Right angled

Isoceles

Scalene 

(any other acceptable answers)

300

Round the following number to 2 decimal places:

5.896

5.90

400

Without a calculator, solve the following:

16²

256

500

Round to 2 decimal places:

6.49873

6.50

hard stuff

100

Solve:

6y x 3p

18py

200

Solve:

(10ab)/(5a)

2b

300

solve:

2p x 4c + 5p x 8c

53pc

400

2 x 3 x 5 x 2 x 5

300

500

5⁵

3125