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Which subject	Mathematics
What topic	Rounding to the nearest hundred
What length (min)	30
What age group	Year or Grade 3
Class size	20
What curriculum
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Ask some students to presents their homework
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Show correct answers
Prepare slide templates
Number of slides	5
Create fill-in cards for students
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Lesson plan

Lesson Plan: Rounding to the Nearest Hundred

Subject

Mathematics

Topic

Rounding to the Nearest Hundred

Grade/Age Group

Grade 3 (Ages 8-9)

Duration

30 minutes

Class Size

20 students

Objectives

• Students will understand the concept of rounding numbers to the nearest hundred.
• Students will be able to identify whether to round up or down based on the tens digit.
• Students will apply their rounding skills to solve problems involving real-life scenarios.

Materials

• Whiteboard and markers
• Projection screen (if available)
• Rounding number cards (pre-prepared flashcards with numbers)
• Worksheets with rounding exercises
• Game-based rounding app/website (optional)

National Curriculum Alignment

This lesson meets the standards set by the National Council of Teachers of Mathematics (NCTM) for Grade 3 in understanding number sense and place value.

Lesson Structure

Step Number	Step Title	Length (minutes)	Details
1	Introduction to Rounding	5	Begin with a brief discussion on what rounding means. Use simple terms and examples.
2	Understanding Hundreds	5	Explain the concept of hundreds and review how numbers are placed in the hundreds, tens, and units place.
3	Rules for Rounding	5	Introduce the rule: if the tens digit is 5 or more, round up; if it's less than 5, round down. Provide examples.
4	Guided Practice	10	Provide students with rounding number cards. Work together as a class to round numbers to the nearest hundred.
5	Independent Practice	5	Distribute worksheets for students to complete individually. Encourage them to refer to the rules discussed.
6	Review and Recap	5	Review answers as a class, correcting mistakes and reinforcing concepts. Remind students of rounding rules.

Assessment

• Observational assessment during guided and independent practice.
• Review worksheets for understanding and accuracy without asking students to present.

Homework

Students will take home a rounding worksheet to practice rounding numbers to the nearest hundred in various scenarios. The homework will be checked the following day without presentations.

Lesson script