Multiplication and division calculation methods - PowerPoint PPT Presentation

1 / 8
About This Presentation
Title:

Multiplication and division calculation methods

Description:

Multiplication and division calculation methods. Reminders for supporting ... tables they can begin to use their times tables knowledge to help them to derive' ... – PowerPoint PPT presentation

Number of Views:32
Avg rating:3.0/5.0
Slides: 9
Provided by: tracymu
Category:

less

Transcript and Presenter's Notes

Title: Multiplication and division calculation methods


1
Multiplication and division calculation methods
  • Reminders for supporting your child

2
Multiplication
farmers field
3
Multiplication farmers field
4
Division on a number line
5
Division
  • Number line with derived facts
  • Once the children are confident with the number
    line method and are skilled with their times
    tables they can begin to use their times tables
    knowledge to help them to derive facts.
  • e.g. if you know that 5 x 8 40
  • you also know that 50 x 8 400 etc
  • 50 x 8
    4 x 8
  • 0
    400 432
  • 432 8 54

6
Division - chunking
  • Using multiples of the divisor TU U
  • 83 5 (50 30 3) 5
  • 10 6 remainder 3
  • 16 remainder 3

7
Division chunking part 2
  • Using multiples of the divisor derived facts
  • 813 9 (810 3) 9
  • 90 remainder 3
  • (if 9 x 9 81, then 90 x 9 810)

8
Division long division
  • 87 6 6) 8 7
  • - 6 0
    (10 x 6)
  • 2 7
  • - 2 4
    (4 x 6)
  • 3
  • Answer 14
    remainder 3
Write a Comment
User Comments (0)
About PowerShow.com