In this lesson, students are asked to create and solve some puzzles involving decimal calculations where the decimal points have been omitted.
The task is to work out where the decimal points need to go to make the calculations correct.
This lesson provides a lot of practice at performing simple operations with decimal numbers and also encourages students to improve their estimation skills and gain a sense of size.
The aim is for students to develop their confidence and facility with handling decimal numbers.
This download also includes a Gattegno chart for use in the lesson.
Why teach this?
Good knowledge of place value in relation to decimals is essential in the modern world.
Key curriculum links
- Understand and use place value for decimals
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KS3 Maths Lesson Plan – The Importance of Decimal Point Placement
