New
New
Year 4

Explain the relationship between multiplying a number by 10 and multiples of 10

I can explain the relationship between multiplying a number by 10 and multiples of 10

New
New
Year 4

Explain the relationship between multiplying a number by 10 and multiples of 10

I can explain the relationship between multiplying a number by 10 and multiples of 10

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Lesson details

Key learning points

  1. 10 is ten times the size of 1
  2. A digit in the tens column is 10 times the value of a digit in the ones column
  3. Multiples of 10 have a zero in the ones column

Keywords

  • Multiple - A multiple is the result of multiplying a number by another whole number.

  • Digit - A digit is one of the symbols of a number system. In our number system we use the digits 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9

Common misconception

Pupils may start talking of 'adding a zero' to multiply by 10

Don't dismiss this as it is disguising an understanding of a pattern but reassure the pupils that this will be explained later through place value discussions in the coming lessons.

Use countable objects here. Physical resources support this learning really well to begin with.
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).

Lesson video

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6 Questions

Q1.
Which of these numbers is a multiple of 2?
23
Correct answer: 78
91
Correct answer: 100
Q2.
What is the place value of the digit 4 in 345?
Correct Answer: 40, 4 tens
Q3.
What is the digit in the tens position in the number 563?
Correct Answer: 6
Q4.
What is the missing factor in the following equation? × 10 = 70
Correct Answer: 7
Q5.
Tick the two equations that show that multiplication is commutative.
Correct answer: 3 × 6 = 18
Correct answer: 6 × 3 = 18
9 × 2 = 18
10 + 8 = 18
Q6.
Which of the following expressions is equivalent to 13 × 7?
10 × 3 + 10 × 3
Correct answer: 10 × 7 + 3 × 7
3 × 3 + 7 × 3

6 Questions

Q1.
What is the missing number in the equation? × 10 = 90
Correct Answer: 9
Q2.
Select the correct ending to this sentence. To find ten times as many of something ...
...you have to add 10
Correct answer: ...you have to multiply by 10
...you have to divide by 10
Q3.
Packs of pencils contain 10 pencils. There are 7 packs. Which equation shows how many pencils there are?
Correct answer: 7 × 10 = 70
7 + 10 = 70
7 × 7 = 49
Q4.
Tick the numbers that are multiples of 10
27
38
Correct answer: 60
58
Correct answer: 20
Q5.
Tick the numbers that are multiples of 10
386
Correct answer: 460
102
Correct answer: 200
201
Q6.
True or false: all multiples of ten have a zero in the tens column.
True
Correct answer: False