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Rearranging Formulae

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by

Mr Mattock

on 10 December 2018

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Transcript of Rearranging Formulae

Rearranging Formulae
Formulae
y = 3x + 2
L.O. - Understand what is meant by the 'subject' of a formula, and rearrange a formula to give a required subject (Grade 5/6).
Subject/
dependent variable
independent variable
Coefficient of x
Constant
Rearranging a Formula
Examples
Main Activity
Dice of Ultimate Power

1) Give a key word for the lesson.
2) Summarise one key point for the
lesson.
3) Explain one thing you have learned this
lesson.
4) State one thing you still don't understand following this lesson.
5) Suggest one thing you would like to find out
based on this lesson.
6) Free choice from 1 to 5, or another you make
up.
Rearranging a Formula
I X R V
R V
÷
V
R
R X i + v e

i - v e
÷
e - v
i
Examples
i xRt P
Rt P
2
÷
i =
P
Rt
A r
r
÷
2
X
r
2
A = r
2
Complete the RAG Sheet
Main Activity
Complete the RAG Sheet
Starter
Start on the left, work your way across doing the calculations in your head, and write down the answer.

START ANSWER

58 >> ÷ 2 , +11 , ÷ 5 , x8 , +8 , ÷ 8 , x3 , +7 , ÷ 7 ………….

9 >> x6 , ÷ 2 , -7 , double , ÷ 5 , +12 , x3 , x2 , ÷ 6 ………….

28 >> +4 , ÷ 8 , x12 , halve , -3 , ÷ 7 , x30 , ÷ 9 , +19 ………….

64 >> -8 , ÷ 7 , x6 , +4 , ÷ 4 , x5 , +17 , ÷ 2 , x3 ………….

44 >> ÷ 2 , +14 , ÷ 12 , square , x5 , -9 , ÷ 12 , x5 , ÷ 3 ………….
Starter
Start on the left, work your way across doing the calculations in your head, and write down the answer.

START ANSWER

58 >> ÷ 2 , +11 , ÷ 5 , x8 , +8 , ÷ 8 , x3 , +7 , ÷ 17 …
2
….

9 >> x6 , ÷ 2 , -7 , double , ÷ 5 , +12 , x3 , x2 , ÷ 6 …
20
….

28 >> +4 , ÷ 8 , x12 , halve , -3 , ÷ 7 , x30 , ÷ 9 , +19 …
29
….

64 >> -8 , ÷ 7 , x6 , +4 , ÷ 4 , x5 , +17 , ÷ 2 , x3 …
123
….

44 >> ÷ 2 , +14 , ÷ 12 , square , x5 , -9 , ÷ 12 , x5 , ÷ 3 …
5
....
Key
Examples

Activities
Activity
Answers

Worked
Example

Worked
Example
Full transcript