Year 8
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Lesson details
Key learning points
- In this lesson, we will look at the different values that expressions can take, and how changing a variable can change the value of the expressions.
Licence
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 are expressions?
10 = 2e
3a + 2 = 5
Q2.
What is the value of the cubes if a = 4?
12
16
8
Q3.
What is the value of this expression if a = 5?
-3
29
5
Q4.
Which expression has the greatest value when a = 7?
2a + 1
3a - 6
Q5.
Which expression has the greatest value when a = 4?
3a - 6
Neither - they are both equal