## Links

Ratio lesson plan

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## KS3 Bitesize

### Objectives

- Pupils solve simple problems involving ratio and direct proportion

### National Curriculum

- AT2 level 5

### Resources

- Worksheet on Ratio
- Pre-prepared cards each with a different multiplication on it (3 x 3, 2 x 7, 6 x 6 etc)

### Teaching activities

#### Mental Starter

- A multiplication table card chase game in which each student calls out the product of the mutiplication on the previous student's card:

"You have 3x3.

I have 9. You have 2x7.

I have 14. You have 6x6...." etc.

#### Activity

- Give out the worksheet.
- Talk about the two examples and decide on the easiest way to go from one to the other.
- Give the pupils time to finish the sheet, then discuss the questions.
- The teacher will need to decide on the ability of the group and tailor the questions toward this.

#### Extension

- Dividing in a given ratio. The fraction of girls if the ratio of girls to boys is 1:4.

#### Plenary

- Race game:

Two pupils stand facing away from the board.

A question is written on the board behind them.

On the command of "Go!" they turn around and race to finish the question.

The winner faces a new challenger.

#### Homework

- A teacher-prepared sheet.