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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.

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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.

Download all resources
Share activities with pupils

Lesson details

Key learning points

  1. There are three times as many threes as nines.
  2. We can say that triple three is equal to nine.
  3. Triple means 'three times'.

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.

Keywords

  • Triple - To triple means to become three times as many or to multiply by three.

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 (2024), licensed on Open Government Licence version 3.0 except where otherwise stated. See Oak's terms & conditions (Collection 2).

Video

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Starter quiz

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6 Questions

Q1.
Which calculation does the image represent?
An image in a quiz
Correct answer: 1 × 3
2 × 3
3 × 3
4 × 3
Q2.
Match the expressions to the product.
Correct Answer:3 × 6,18

18

Correct Answer:3 × 7,21

21

Correct Answer:3 × 8,24

24

Correct Answer:3 × 9,27

27

Correct Answer:3 × 12,36

36

Q3.
Match the groups of threes to the groups of 9 with the same value.
Correct Answer:6 groups of 3,2 groups of 9

2 groups of 9

Correct Answer:3 × 9,9 groups of 3

9 groups of 3

Correct Answer:3 groups of 12,4 × 9

4 × 9

Correct Answer:3 × 15,5 groups of 9

5 groups of 9

Q4.
If I know 3 × 4 = 12, then I know 9 × 4=
Correct Answer: 36
Q5.
Three times as many means …
to multiply.
to double.
Correct answer: to triple.
to quadruple.
Q6.
If Izzy has collected 30 guinea cards and Andeep has triple the amount, how many cards does he have altogether? 30 × 3 =
Correct Answer: 90

Exit quiz

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6 Questions

Q1.
Which numbers are a multiple of 3?
5
Correct answer: 12
Correct answer: 18
29
Correct answer: 39
Q2.
Identify the multiples of 9
8
26
Correct answer: 27
35
Correct answer: 72
Q3.
Look at the word problem, which words suggest we must divide? A baker baked 36 cupcakes. He splits them equally into boxes of 9, how many boxes will he need?
baked
Correct answer: splits
Correct answer: equally
of
Q4.
Andeep’s grandfather caught 99 fish on his recent trip to Osney Lock. If he puts the fish into boxes of 9, how many boxes will he need? boxes
Correct Answer: 11
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?
4 × 9 = 36 So 27 3 cm pieces
Correct answer: 4 × 9 = 36 So 12 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
Correct Answer: 36