Lesson details

Key learning points

  1. In this lesson, we will be learning how to work systematically to identify the correct number of factors and factor pairs for given numbers, using the notion of factor bugs to help us. We will then develop our learning further by proving that square numbers have an odd number of factors.

Licence

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5 Questions

Q1.
Which of the following pairs are NOT factor pairs for the number 48?
1 and 48
Correct answer: 3 and 18
4 and 12
6 and 8
Q2.
During the lesson, we grouped 20 children into equal sized groups. How many different ways of did we find of grouping them equally?
1
3
5
Correct answer: 6
Q3.
Lisa began to create her factor bug for the number 24 but was unable to complete it before the end of the lesson. How many factor pairs is she missing?
0 - it is complete.
1
Correct answer: 2
3
Q4.
In the image below, you can see the first 3 squared numbers. What would the 6th squared number be in the sequence?
36
Correct answer: 49
64
81
Q5.
Which of the following is not a squared number?
100
Correct answer: 125
144
81

Lesson appears in

UnitMaths / Multiplication and division