- Year 2
Explain what each factor represents in a multiplication story when one of the factors is one
I can explain what each factor represents in a multiplication story when one of the factors is one.
- Year 2
Explain what each factor represents in a multiplication story when one of the factors is one
I can explain what each factor represents in a multiplication story when one of the factors is one.
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Lesson details
Key learning points
- When there are two factors and one is equal to 1 then the product is equal to the other factor.
- 1 can represent the group size or the number of groups.
- Identify the group size and the number of groups in the multiplication story.
Keywords
Factor - A factor is a number which exactly divides another whole number.
Product - A product is the result of two or more numbers multiplied together.
Common misconception
Pupils may not recognise that 1 can be a factor, particularly when the context includes 1 group.
Work with children to discuss groups and what they can see, such as 3 groups of 4 Reduce the number of groups to 2 and then 1 group and identify that 1 group can still be used. Then attach this to multiplication and expressions.
To help you plan your year 2 maths lesson on: Explain what each factor represents in a multiplication story when one of the factors is one, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your year 2 maths lesson on: Explain what each factor represents in a multiplication story when one of the factors is one, download all teaching resources for free and adapt to suit your pupils' needs.
The starter quiz will activate and check your pupils' prior knowledge, with versions available both with and without answers in PDF format.
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The assessment exit quiz will test your pupils' understanding of the key learning points.
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Explore more key stage 1 maths lessons from the Representing counting in 5s as the 5 times table and link to the 10 times tables unit, dive into the full primary maths curriculum, or learn more about lesson planning.
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Prior knowledge starter quiz
6 Questions
Q1.Complete: 4 × 2 is equal to
Q2.Select the correct number to complete the equation which represents the 10 pence and 5 pence coins. 2 × 10 = 4 × ___ p.
Q3.Look at the coins and complete with the same value. × 2 p = 2 × ___ p.
Q4.Which expression can be used to describe both sets of fingers?
Q5.Complete the multiplication equation needed to solve this problem.
If one packet of sweets costs 10 p, how many packets cost 60 p? packets × 10 p = 60 p.
Q6.If one packet of sweets costs 10 p, how much does 8 packets of sweets cost? p.
Assessment exit quiz
6 Questions
Q1.Look at the image. It shows groups of 1
Q2.10 times 1 can represent 10 groups of
Q3.5 times 1 is equal to group of 5
Q4.Which grouping of coins shows 1 group of 10?
Q5.Match the expression to the correct description.
1 group of 2
5 groups of 3
1 group of 10
7 groups of 5
2 groups of 7