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Which subject	Mathematics
What topic	Ratio
What length (min)	30
What age group	Year or Grade 4
Class size	20
What curriculum
Include full script
Check previous homework
Ask some students to presents their homework
Add a physical break
Add group activities
Include homework
Show correct answers
Prepare slide templates
Number of slides	5
Create fill-in cards for students
Create creative backup tasks for unexpected moments

Lesson plan

Lesson Plan: Ratio

Subject

Mathematics

Grade/Age Group

Grade 4

Duration

30 minutes

Class Size

20 students

Topic

Ratio

Objectives

• Understand the concept of ratio.
• Identify and create ratios from given sets of objects.
• Solve basic problems involving ratios.
• Apply ratios to real-life scenarios.

Materials

• Whiteboard and markers
• Ratio manipulatives (e.g., colored blocks or counters)
• Worksheets for practice problems
• projector (if needed for visual aids)

National Curriculum Alignment

This lesson aligns with the Common Core State Standards for Mathematics, specifically in understanding ratios and their relationship.

Lesson Structure

Step Number	Step Title	Length	Details
1	Introduction to Ratios	5 min	Brief explanation of what a ratio is. Use simple examples (e.g., 1:2, 2:3).
2	Real-Life Examples	5 min	Discuss real-life contexts where ratios are used (e.g., recipes, sports).
3	Guided Practice	10 min	Distribute manipulatives. Have students work in pairs to create ratios using the blocks.
4	Independent Practice	5 min	Hand out worksheets with ratio problems for students to complete individually.
5	Review and Q&A	3 min	Quick recap of key points. Answer any immediate questions.
6	Homework Assignment	2 min	Explain the homework assignment. Each student will complete a worksheet with ratio problems for practice at home.

Assessment

• Observe students during guided practice to assess understanding of ratios.
• Check homework for completion and accuracy but without oral presentations.

Homework

• Complete a worksheet with a variety of ratio problems to reinforce learning at home. Those worksheets will be collected and graded for understanding in the next class.

Lesson script