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Which subject	Mathematics
What topic	Rounding decimals 3 decimal places
What length (min)	30
What age group	Doesn't matter
Class size	20
What curriculum
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Number of slides	5
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Lesson plan

Lesson Plan: Rounding Decimals to 3 Decimal Places

Topic

Rounding Decimals to 3 Decimal Places

Objectives

• Students will understand the concept of rounding decimals.
• Students will learn to round decimal numbers to three decimal places.
• Students will apply rounding rules to solve practical problems involving decimals.

Materials

• Whiteboard and markers
• Projector and screen (if necessary)
• Printed worksheets with rounding exercises
• Decimal number line handouts
• Calculators (optional)

Grade/Age Group

Any suitable grade (e.g., Year 5 or Year 6, ages 10-12)

Subject

Mathematics

Class Size

20 students

Lesson Length

30 minutes

National Curriculum Alignment

This lesson aligns with the UK National Curriculum for Mathematics, specifically focusing on the understanding of numbers and place value.

Lesson Structure

Step Number	Step Title	Length	Details
1	Introduction to Rounding	5 mins	Briefly explain what rounding means, why it is used, and introduce rounding decimals to three places.
2	Demonstration	10 mins	Show how to round decimals to 3 decimal places using examples on the whiteboard: 1. Identify the digit in the 3rd position, 2. Look at the digit to the right. 3. Round up or keep the same.
3	Guided Practice	5 mins	Work through a few example problems as a class, allowing students to participate in solving them.
4	Independent Practice	5 mins	Hand out worksheets with rounding exercises for students to complete individually or in pairs.
5	Review and Recap	3 mins	Go over the answers to the worksheet without calling on individual students. Clarify any misunderstandings.
6	Homework Assignment	2 mins	Assign additional rounding problems for homework to reinforce skills learned in class.

Homework

Students will complete a worksheet with 10 rounding problems to reinforce the concept. The homework will be collected and checked by the teacher without individual presentations.

Assessment

• Observation of students during guided and independent practice.
• Assessment of worksheet completion to evaluate understanding.
• Review of homework for additional assessment.

Notes

• Ensure a supportive environment where students feel comfortable asking questions.
• Adjust the complexity of examples based on students' prior understanding of decimals.

Additional Activities (if time allows)

• Students can create their own rounding problems for classmates to solve.
• Engage in a quick round of "Decimal Bingo" focusing on rounded numbers.

This lesson plan provides a structured approach to teaching rounding decimals at three decimal places, ensuring that students gain a clear understanding of the concept while maintaining engagement.

Lesson script