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Level 3-4 Algebra - Getting Started
Ben has x oranges and Jay has three more oranges than Ben.

Level 3-4 Algebra - Getting Started

Algebra is a big deal in KS3 Maths. But what's the fuss about? Well, in algebra, we swap numbers for letters. Why? To represent numbers we don't know yet.

This quiz is like a launchpad into cool things! Algebra buddies up with BIDMAS (or BODMAS – same thing) and unlocks doors not just in maths, but also in science, geography, engineering, and even medicine. The last 300 years of tech magic? Yep, algebra played a role. Plus, you can sprinkle algebra magic in your everyday life!

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1.
Sam has x guinea pigs, Paul has y guinea pigs and Joseph has z guinea pigs. We know that Sam and Paul together have the same number of guinea pigs as Joseph. How would we write this?
x + y = z
xyz
2x + y
x - y = z
Sam's (x) + Paul's (y) = Joseph's (x)
2.
Peter has x oranges and Joe has three more oranges than Peter. How would we write the number of oranges that Joe has?
3x
x + 3
x + x + x + x
x3
3 more is the same as + 3
3.
Which of these is an 'expression'?
3x
3x + 4y
3x + 4y2
All of the above
An 'expression' contains one or more terms
4.
Which of these is a single 'term'?
2a
2a + b2
3a + 2b
3a + b + c
2a is a 'term', the other answers contain more than one 'term'
5.
Which of these is not an 'equation'?
3x = 7
4x2 - 6 = 28
4x + 5y + 6z
5x = 6y
An 'equation' always contains an = sign
6.
Thomas has x marbles and Richard has only one third as many. How would we write the number of marbles that Richard has?
x + 3
x - 3
x / 3
3x
To get one third just divide by 3
7.
Jane has y sweets and Lisa has two sweets less than Jane. How would we write the number of sweets that Lisa has?
2y
-2y
y - 2
y - y - y
2 less is the same as minus 2
8.
One of the following would never be written - which one?
x + y
1x + y
3x + 2y
4x - 6y
Instead of writing '1x' you would write 'x' instead
9.
What is the meaning of 4x
4 divided by x
4 minus x
4 plus x
4 times x
Numbers and letters 'joined together' means multiply them together
10.
There are n boys in a football team. How would we write the number of boys in four football teams?
n x n x n x n
4 + n
n + 4
4n
The correct answer means the same as n + n + n + n
You can find more about this topic by visiting BBC Bitesize - Introduction to algebra

Author:  Frank Evans

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