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      Explain the effect on the quotient when scaling the dividend and the divisor by 10

      Lesson details

      Learning outcome

      I can explain the effect on the quotient when scaling the dividend and the divisor by 10

      Key learning points

      1. If the dividend and divisor are both scaled by 10, the quotient will remain the same.
      2. Place value and unitising help to explain the effect on the quotient when scaling the dividend and divisor by 10
      3. If 6 divided by 3 is equal to 2 then 6 tens divided by 3 tens is equal to 2

      Keywords

      • Dividend - The dividend is the amount that you want to divide.

      • Divisor - A divisor is the number we divide by.

      • Quotient - A quotient is the result after division has taken place. It is the whole number part.

      Common misconception

      It's important that pupils avoid saying, 'ten times smaller' to avoid misconceptions around the structure of division.

      Describe relationships by saying, 'divide by ten', or referring to the amounts involved e.g. 'The dividend is seven hundred. It is divided by ten. The dividend is now seventy.'

      Teacher tip

      Pupils will find bar model representations helpful in understanding this concept. Explore equations where the dividend, divisor or quotient may be missing. Refer to place value when exploring scaling problems, referring to 50 as 5 tens and 500 as 50 tens.

      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.
      23 × 10 =

      Correct Answer: 230

      Q2.
      170 ÷ 10 =

      Correct Answer: 17

      Q3.
      Look at the bar model. What is the missing quotient? 160 ÷ 40 =

      An image in a quiz
      Correct Answer: 4

      Q4.
      Use the complete equation to work out the missing factor in the equation beneath. It is a 2-digit number.

      An image in a quiz
      Correct Answer: 15

      Q5.
      Use the complete equation to work out the missing factor in the equation beneath. It is a 2-digit number.

      An image in a quiz
      Correct Answer: 44

      Q6.
      What is the missing factor in this equation? It is a 2-digit number.

      An image in a quiz
      Correct Answer: 20

      6 Questions

      Q1.
      Match each number in the equation to the correct keyword: 48 ÷ 4 = 12

      Correct Answer:48,dividend

      dividend

      Correct Answer:4,divisor

      divisor

      Correct Answer:12,quotient

      quotient

      Q2.
      Look at the diagram. What is the missing divisor?

      An image in a quiz
      Correct Answer: 100

      Q3.
      What is the missing number in this equation? 30 ÷ 5 = 300 ÷

      Correct Answer: 50

      Q4.
      What is the missing number in this equation? 48 ÷ 4 = ÷ 40

      Correct Answer: 480

      Q5.
      630 ÷ 90 =

      Correct Answer: 7

      Q6.
      840 ÷ 70 =

      Correct Answer: 12

      To help you plan your 6 maths lesson on: Explain the effect on the quotient when scaling the dividend and the divisor by 10, download all teaching resources for free and adapt to suit your pupils' needs...