2 min Algebra
Simplify
7a - 2a + 3a
2a
Find the median for:
4, 1, 1, 2, 4, 3, 4
3
Workout
4/5 x 8/9
32/45
What is 8% as a fraction (in simplest form) and as a decimal?
2/25 and 0.08
Workout 20% of 500
100
What animal is 30 times more likely to be struck by lightning than humans?
Giraffe
Simplify
5x2 - 9x2 - 4x
-4x2 - 4x
Workout the mean for the following:
0, 6, 7, 0, 5, 4, 3, 5, 6
4
1 and 2/3 + 5 and 2/6
42/6 or 7
Order the following in ascending order:
70%, 3/5, 0.75, 12/10, 1/2, 0.004
0.004 1/2 3/5 70% 0.75 12/10
Increase 50 by 20%
60
What animal once lived without its head for 18 months?
a chicken
What is the value of g when h = -3
g = h2 + 2h
Emily did three tests. Her average is 60.
The first test she scored: 45
She scored 70 on the second test.
What did she score on the last test?
she scored 65
Workout
5 and 2/7 divided by 2 and 1/5
Leave answer as an improper fraction
185/77
Convert 63/28 into a percentage
225%
A new gaming console is priced at £7500.
In a sale it is reduced by 20%.
Calculate its cost now.
£6000
What condiment was once used as medicine?
Ketchup
Casey has x marbles.
Dalton has 5 more than Casey.
Ella has 3 times as much as Casey.
Find the expression for the total number of marbles the three people have. Fully simplify your answer.
x + x + 5 + 3x
= 5x + 5
There are five cards which are arranged in order from smallest to largest.
The first number is 5.
The range of the numbers is 6.
The median of the numbers is 7.
The mean of the cards is 8.
Workout the 4 other missing numbers.
5, 7, 7, 10, 11
Workout
1/5 + 8/10 x 1/3
14/30
Randalstown Rugby Club play 20 matches and win 17 of the matches.
What percentage of the matches did Randalstown lose?
15%
I have some apples.
3/8 are green, 40% are red, the rest are all yellow.
What percentage of apples are yellow?
22.5%
In what year was the internet open for the public?
1993
The cost in pounds, C, of hiring a taxi is given by
C = 25d + 45
where d is the number of days the taxi is hired.
Find the total cost for the taxi if someone hires the taxi for 8 days.
it costs £245
There are five sport categories on a pie chart that display 600 students' favourite sport.
Basketball takes up 45 degrees.
How many students like playing basketball?
75 students like basketball.
Workout
(1/4 + 3/2)2 - 1/4
Leave your answer as an improper fraction
45/16
I have three friends, Amy, Bianca, and Cat.
I give Amy 2/9 of my sweets.
I give Bianca 6/18 of my sweets.
I give Cat 12 sweets.
How many sweets did I give away altogether?
27 in total
Barry earns £1300 a month.
He spends 30% of this money on rent and 12% on bills.
How much of the £1300 has he left?
£754
Originally, Amazon only sold what item?
books