Year 8
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Lesson details
Key learning points
- In this lesson, we will investigate the algebraic representations of odd and even numbers.
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.
What is the final answer if I start with 4?
16
36
49
Q2.
What is the final answer if I start with 6?
36
49
64
Q3.
Will the answers to the puzzle above always be odd, even, or does it depend on the starting number?
Always even
Always odd
Q4.
Start with 6. What is the final answer?
12
7
8
Q5.
Will the answers to the puzzle above always be odd, even, or does it depend on the starting number?
Always even
Depends on the starting number
5 Questions
Q1.
Is the value of 2n always odd, always even, or either?
Always Odd
Could be either
Q2.
Is the value of 4n - 2 always odd, always even, or either?
Always Odd
Could be either
Q3.
Is the value of 3n + 1 always odd, always even, or either?
Always Even
Always Odd
Q4.
What operation could I perform to 4n + 1 to make it always even?
Add 5
Divide it by 2
Multiply it by 3
Nothing - it already is even.
Q5.
What operation could I perform to n + 4 to make it always even?
Add 1
Divide it by 2
Multiply it by 3
Nothing - it already is even.