Algebraic expressions
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Lesson details
Key learning points
- In this lesson, we will be introduced to algebraic notation and learn how to evaluate and substitute into expressions.
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This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.
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5 Questions
Q1.
Which of the following best describes an expression?
Algebra.
Something which has letters and numbers in.
Something which has letters in.
Q2.
Which of the following is NOT an expression?
2 - 3
4x + 2
6 x 10y
Q3.
How should we write 5 x a - 2?
5 - 2a
5 x a - 2
5(a - 2)
Q4.
Which value of x means that 3x < 2x + 1
1
2
5
Q5.
Which value of y means that -3y - 1 > 2y
0
0.5
7