New
New
Solve problems using the relationship between 3 and 9 times table
I can solve problems using the relationship between pairs of 3 and 9 times table facts with the same product.
Lesson 3 of 5
New
New
- Year 4
Solve problems using the relationship between 3 and 9 times table
I can solve problems using the relationship between pairs of 3 and 9 times table facts with the same product.
Lesson details
Key learning points
- Multiples of 3 are also multiples of 9
- In any product in the 9 times table, there will always be three times the number of 3s as there are 9s
Keywords
Product - A product is the answer when two or more numbers are multiplied together.
Common misconception
Pupils may find it difficult to solve problems or misunderstand questions.
Model clearly how to identify key phrases and words which will identify the operation and equation required for word problems. This could involve drawing bar models or other representations.
By this point fluency in 3 and 9 times tables will support children in solving these problems. Continue to chorally rehearse the 3 and 9 times tables.
Teacher tip
Licence
This content is © Oak National Academy Limited (2025), licensed on Open Government Licence version 3.0 except where otherwise stated. See Oak's terms & conditions (Collection 2).
Lesson video
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Prior knowledge starter quiz
6 Questions
Q1.Which of these is the definition of a triangle?
Which of these is the definition of a triangle?
A polygon with 4 sides and 4 vertices.
A 3D shape with triangular faces.
Q2.Match the expressions to the product.
Match the expressions to the product.
Q3.Match the groups of threes to the groups of 9 with the same value.
Match the groups of threes to the groups of 9 with the same value.
Q4.Complete: 9 × 4=
Complete: 9 × 4=
Q5.True or false? All multiples of 3 are multiples of 9
True or false? All multiples of 3 are multiples of 9
True
Q6.Izzy organises her guinea cards into 4 groups of 9 She then sorts them into groups of 3 How many groups of 3 does she make?
Izzy organises her guinea cards into 4 groups of 9 She then sorts them into groups of 3 How many groups of 3 does she make?
Assessment exit quiz
6 Questions
Q1.Select the multiples of 3
Select the multiples of 3
5
29
Q2.Identify the multiples of 9
Identify the multiples of 9
8
26
35
Q3.True or false? 7 × 3 = 6 × 3 + 3
True or false? 7 × 3 = 6 × 3 + 3
False
Q4.Izzy makes three nonagons using straws for the sides. How many triangles could she make with the same number of straws? triangles
Izzy makes three nonagons using straws for the sides. How many triangles could she make with the same number of straws? triangles
Q5.What calculation is correct for this worded problem?
If Izzy sliced a ribbon into four 9 cm pieces, how many 3 centimetre slices would she be able to cut?
What calculation is correct for this worded problem?
If Izzy sliced a ribbon into four 9 cm pieces, how many 3 centimetre slices would she be able to cut?
4 × 9 = 36 So 27 3 cm pieces
3 × 6 = 18 So 18 3 cm pieces
Q6.A baker baked 108 pastries and cakes altogether. He can put them in 12 boxes of 9
If he puts them into boxes of 3 how many boxes will he need? boxes
A baker baked 108 pastries and cakes altogether. He can put them in 12 boxes of 9
If he puts them into boxes of 3 how many boxes will he need? boxes
