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Lesson details

Key learning points

  1. In this lesson, we will look at how different operations can affect the properties of a number. We will calculate a number of different operations using written worded instructions.

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5 Questions

Q1.
Which of these numbers is a multiple of 9?
4591
63973
Correct answer: 693
843
Q2.
Which of these numbers is a multiple of 9?
12345
2584
Correct answer: 76932
99816
Q3.
This number is a multiple of 9. What is the missing digit?
An image in a quiz
Correct answer: 1
2
3
4
Q4.
This number is a multiple of 9. What is the missing digit?
An image in a quiz
Correct answer: 1
2
3
4
Q5.
Which of these numbers is a multiple of 3?
1954
257
4588
Correct answer: 5301

5 Questions

Q1.
What is the final answer if I start with 4?
An image in a quiz
16
25
36
Correct answer: 49
Q2.
What is the final answer if I start with 6?
An image in a quiz
Correct answer: 25
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
Correct answer: Depends on the starting number
Q4.
Start with 6. What is the final answer?
An image in a quiz
12
Correct answer: 5
7
8
Q5.
Will the answers to the puzzle above always be odd, even, or does it depend on the starting number?
Always even
Correct answer: Always odd
Depends on the starting number

Lesson appears in

UnitMaths / Algebra and problem solving