aidemia--modules-lessonplan_request	Titles of parts of the lesson must be formatted as headings
What to create	Lesson plan
Which subject	Mathematics
What topic	3 digit non standard partitioning
What length (min)	30
What age group	Year or Grade 2
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Include images descriptions
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Lesson Plan: 3-Digit Non-Standard Partitioning

Subject

Mathematics

Grade Level

Year 2

Duration

30 minutes

Learning Objective

Students will understand how to partition 3-digit numbers using non-standard methods and be able to apply this knowledge in practical situations.

Materials Needed

• Whiteboard and markers
• Place value blocks (hundreds, tens, units)
• Worksheets for practice
• Homework sheets

Introduction (5 minutes)

Begin the lesson by reviewing place values with the students. Ask them to explain what hundreds, tens, and units are. Use several examples of 3-digit numbers and ask students to identify the value of each digit.

Questions to Facilitate Discussion

• What is the value of the digit 5 in the number 582?
• How many tens are there in the number 473?

Direct Instruction (10 minutes)

Introduce the concept of non-standard partitioning. Explain that partitioning a number means breaking it down into parts. Use the example of the number 453.

Example:

• 453 can be partitioned as:
  • 400 + 50 + 3
  • 300 + 150 + 3
  • 200 + 200 + 53

Use place value blocks to visually demonstrate these partitions. Show how breaking numbers into different parts can help in addition or subtraction.

Guided Practice (10 minutes)

Distribute worksheets with various 3-digit numbers for students to partition either on their own or in pairs. Walk around the classroom to assist students as needed.

Example Problems:

1. Partition the number 521.
2. Partition the number 763.
3. Partition the number 894.

Independent Practice (5 minutes)

Have students complete a few more examples on their own. Encourage them to try different ways of partitioning the same number to show their understanding.

Example Problems:

1. Partition the number 346.
2. Partition the number 215.

Conclusion (5 minutes)

Wrap up the lesson by discussing what students learned about partitioning. Ask a few students to share their favorite way to partition a number. Reinforce the idea that there are many ways to break down a 3-digit number and that it can be useful in solving math problems.

Homework

Tasks:

1. Partition the following 3-digit numbers in at least two different ways:

   • 482
   • 619
   • 753

2. Create your own 3-digit number and write two different partitioning methods for it.

Correct Answers:

1. For 482:

   • 400 + 80 + 2
   • 300 + 100 + 82

2. For 619:

   • 600 + 10 + 9
   • 500 + 100 + 19

3. For 753:

   • 700 + 50 + 3
   • 600 + 150 + 3

Example Create Your Own:

• If the student's number is 520, they could partition it as:
  • 500 + 20 + 0
  • 400 + 100 + 20

Additional Notes

Encourage students to be creative with their partitioning and remind them to check their work. Provide assistance for any students who may need further help as they complete their homework.

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