Home Explore the BBC
 20 October 2014
 BBC Homepage Contact Us

Schools Home > Teachers > KS3 Bitesize Lesson Plans > Maths > Number: Whole Numbers and Decimals

# Number: Whole Numbers and Decimals

## Links

Whole Numbers and Decimals lesson plan

You will need Adobe Acrobat reader to access this file. BBC Webwise has a complete guide to downloading and installing Adobe Acrobat reader.

## KS3 Bitesize

### Objectives

• In solving number problems, pupils use a range of mental methods of computation with the four operations ......quick derivation of corresponding division facts.
• Pupils apply inverse operations.

### National Curriculum

• AT2 level 4, level 5

### Teaching activities

#### Mental Starter

• Mental recall of multiplication facts up to 10 × 10.
• Number bonds to 100.
• "I will give you a number, tell me how much more I need to get to 100?" 63, 28, 105

#### Activity

1. Give the Whole Numbers worksheet out.
2. The pupils should read through the first example and the teacher could discuss the links with them.
3. The pupils complete the first exercise.
4. The pupils read through the second example and the teacher discusses the links.
5. The pupils complete the second exercise.

#### Extension

• A good extension would be to introduce:
"If 32 × 21 = 672, what is 3.2 × 21?"
• This could then lead on to questions such as:
"If 27 × 31 = 837, what is 83.7 ÷ 31?"

#### Plenary

• Lots of quick fire questions on the topic.

#### Homework

• Teacher-prepared worksheet with number-bond and decimal addition, multiplication and division problems.

 About the BBC | Help | Terms of Use | Privacy & Cookies Policy