Tuesday, 6 December 2011

Weds 7th Dec – Dividing large numbers by a single digit and a double digit

LEARNING OBJECTIVE: To develop and practice a method of dividing large numbers

SUCCESS CRITERIA: You will be able to divide large numbers by a single or double digit WITHOUT using a calculator

STARTER: Can you write down the answers to these 10 division sums

  1. 6 ÷ 2 = 3
  2. 9 ÷ 3 = 3
  3. 10 ÷ 5 = 2
  4. 12 ÷ 3 = 4
  5. 12 ÷ 4 = 3
  6. 18 ÷ 3 = 6
  7. 20 ÷ 4 = 5
  8. 28 ÷ 4 = 7
  9. 22 ÷ 11 = 2
  10. 28 ÷ 7 = 4

PLENARY: Checking answers

LESSON: Short Division Video

How do we go about doing this division sum 246 ÷ 3?

Discussion on methods – Chunking, Bus Stop method

Take students through bus stop method really slowly. Use screen 3 from this Lesson

Let them have a go at some -

  1. 532 ÷ 4
  2. 432 ÷ 3
  3. 655 ÷ 5
  4. 748 ÷ 4
  5. 968 ÷ 8
  6. 468 ÷ 9

Check answers to above then use screen 4 for more practice

EXTENSION if Time – Dividing by a double digit number

Eg

  1. 6504 ÷ 12 =
  2. 945 ÷ 15 =
  3. 5313 ÷ 21 =
  4. 7595 ÷ 35 =

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