Algebra

1

100

Is this an expression?

15n + 40 = 70

No - it is an equation

200

What is the value of n? 

15n + 40 = 70

n = 2

300

What is the word/s for the letter in the below expression? 

15n + 40

A letter in algebra is a variable or pronumeral

400

Simplify the following: 

= 4c x 4d

= 16cd

500

Complete the following: 

= 11 + 11 x 2 + (9 x 7) - 14 + 6

= 88

2

100

What is the acronym for the order of operations that we follow in maths?

BIDMAS or BODMAS

200

Find the value of x

120 = x(7 + 3)

x = 12

300

Amanda spent $3,600 on a 'Round the World' flight package that included six different flights. How much did Amanda pay (on average) per flight? 

$600 per flight

400

Simplify the following: 

= 6 x n x 3 x n

= 18n²

500

Complete the following: 

= 4 + 5 x 3 + (7 x 8) - 12

= 63

3

100

Ron travelled 270km in 3 hours. How fast did Ron travel per hour? 

90km/h

200

If 4t = 48, what is the value of t? 

t = 12

300

Elena purchased 4 extension leads that were 3.75 metres in length - and 2 extension leads that were 2 metres in length. What is the total length of extension leads Elena owns? 

19 metres

400

Simplify the following: 

2 x a x a x a x b x b

2a³b²

500

Complete the following: 

= 10 x 3 + 6 - (2 x 7) + 5 x 2

= 32

4

100

What is the name for the number that is next to the letter? 

Co-efficient

200

Marshall earned $2,964,000 performing at 6 concerts. Each concert involved 10 hours of practice and 3 hours of performing. Including the practice and performance, how much did Marshall earn per hour? 

$38,000/hr

300

Each packet of biscuits contains 12 biscuits. Travis purchased 4 packets of biscuits and ate half of one packet. How many biscuits are left?

42 biscuits are left

400

Simplify the following: 

= 4 x a + 6 x b

= 4a + 6b

500

Complete the following: 

= 5 x 7 + 4 x 6 + 3 x 3 x 3

= 86

5

100

Harry purchased seven broomsticks at a cost of $560. How much did Harry pay for each broomstick? 

$80

200

Mr Reynolds and Miss Gilbert went to an all you can eat Taco Party. It cost them both $20 each to enter. Mr Reynolds ate 15 tacos and Miss Gilbert ate 10. How much did they pay per taco? 

$1.60 per taco

300

Patty went shopping with $50 and purchased: 

Milk: $6
Bread: $4.50
Apples: 2 kg ($3/kg)
Pasta: $4
Garlic bread: $3.50

Patty spent the change on 13 Mars Bars. How much did each Mars Bar cost?

$2 per Mars bar

400

Simplify the following: 

= 5 x p x p x q

= 5p²q

500

Complete the following: 

= 3 + 12 x 8 - (11 x 9) + 35

= 35