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	Place value
What length (min)	30
What age group	Year or Grade 1
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Lesson Plan: Place Value

Subject: Mathematics
Grade: Year 1
Duration: 30 minutes

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Learning Objectives

By the end of this lesson, students will be able to:

1. Understand the concept of place value in two-digit numbers.
2. Identify the value of digits in the tens and ones places.
3. Represent numbers using base ten blocks.

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Materials Needed

• Whiteboard and markers
• Base ten blocks (tens and ones)
• Number cards (0-99)
• Worksheets for practice
• Interactive Smartboard (optional)

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Introduction (5 minutes)

Begin the lesson by engaging students with a short discussion:

• Ask the students, "What do you think place value means?"
• Use simple language to explain that place value tells us the value of a digit in a number based on its position.
• Provide examples of simple numbers, like 12, to illustrate the concepts of ‘tens’ and ‘ones’.

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Direct Instruction (10 minutes)

Explain Place Value

• Tens Place: Explain that the first position (when reading from right to left) is the ones place, and the second position is the tens place.
• Visual Aid: Draw the numbers on the whiteboard (e.g., 23) and label the digits as follows:
  • 2 = Tens
  • 3 = Ones

Demonstrate Using Base Ten Blocks

• Show students how to represent the number 23 using base ten blocks:
  • Use 2 groups of ten blocks for '20'.
  • Add 3 single blocks for '3'.
• Invite students to come up and represent different two-digit numbers using the base ten blocks.

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Guided Practice (10 minutes)

Activity 1: Place Value Identification

• Distribute number cards to each student.
• Ask them to read their number aloud and identify the tens and ones.
• Example: For the number 45, the student should say, "4 is in the tens place, and 5 is in the ones place."

Activity 2: Building Numbers

• In small groups, provide base ten blocks and ask students to create specific two-digit numbers called out by the teacher.
• Encourage them to share their work with the group and discuss their reasoning.

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Independent Practice (5 minutes)

• Hand out worksheets that include:
  • Identifying the tens and ones in given numbers.
  • Drawing base ten blocks to represent specific numbers.

Students will complete these worksheets individually. Teachers should circulate to assist students as needed.

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Closure (5 minutes)

• Recap the lesson by asking a few students to share their answers from the worksheet.
• Reinforce the key concepts of place value and remind students how understanding place value helps with number sense.

Assessment

• Collect worksheets to assess students’ understanding of the place value concept.
• Observe students during group activities to assess their ability to work collaboratively and apply knowledge.

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Extension Activities (optional)

• For students in need of a challenge, provide larger numbers (e.g., 56, 74) and ask them to break these down into tens and ones.
• Introduce a fun game where students can match numbers to their corresponding base ten block representations.

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References

• Australian Curriculum: Mathematics - Number and Algebra - Level 1
• Place Value Teaching Resources and Activities

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This lesson plan aims to foster a foundational understanding of place value that aligns with the Australian standards for Year 1 mathematics.