Week Beginning 14th Jan 2013 - Solving Equations with one Variable

LEARNING OBJECTIVE: Discover Inverse operations and how to use them to solve equations

SUCCESS CRITERIA: You will be able to decribe the inverse of an operation and be able to use this to solve equations.

STARTER: Moon Lengths


DEFINITION: INVERSE = MATHEMATICAL OPPOSITE

 LESSON:Write down the inverse of each of these operations

1. +3
2. -4
3. x 5
4. x 2
5. +17
6. - 21
7. ÷ 6
8.  ÷ 4

What are these operations? What are their inverses

1. 3a
2. 5b
3. 7c
4. e/4
5. f/7
6. g/3

 Use this Lesson to show how to solve equations, use the question pages repeatedly to give lots of practice.
Labour the point of setting work out correctly in steps.

Use the first two parts of this worksheet for extra practice:

Then have a go at these exercise from Foundation text book.

Ex 24A page 494 (level F)

Ex 24B pAge 495 Level E)

Ex 24C Page 497 (level E)