Lesson Notes By Weeks and Term v5 - Grade 2

Lesson Video

This page supports the lesson note with a companion video and a short classroom-ready summary.

For class groups and homework, share this lesson page so learners also get the summary, objectives, and full lesson context.

Performance objectives

• This lesson introduces Grade 2 learners to the fundamental concept of place value within the number range 0–99. Place value is the value of a digit based on its position in a number. In South Africa, understanding place value is crucial for everyday tasks like handling money (Rands and cents), sharing items with friends, or understanding quantities at the market. For example, knowing the difference between R27 and R72 is essential! This topic lays the foundation for all future mathematical operations, including addition, subtraction, multiplication, and division with larger numbers. By mastering how to break down (decompose) and build up (compose) numbers, learners develop number sense and computational fluency.
• Learning Objectives (CAPS Aligned):
• By the end of this week's lessons, learners will be able to:
• Identify the place value of each digit in a two-digit number as Tens and Units.
• Decompose two-digit numbers into multiples of ten and units (e.g., 45 = 40 + 5) using objects, drawings, and number symbols.

Lesson summary

This lesson introduces Grade 2 learners to the fundamental concept of place value within the number range 0–

9

9. Place value is the value of a digit based on its position in a number. In South Africa, understanding place value is crucial for everyday tasks like handling money (Rands and cents), sharing items with friends, or understanding quantities at the market. For example, knowing the difference between R27 and R72 is essential! This topic lays the foundation for all future mathematical operations, including addition, subtraction, multiplication, and division with larger numbers.

Lesson notes

What is Place Value? Place value tells us how much a digit is worth based on where it is in a number. In a two-digit number, we have two 'places': the Tens place and the Units place (sometimes called the 'Ones' place).

Units: These are the single items.

We count them one by one: 1, 2, 3, 4, 5, 6, 7, 8,

9. Tens: A 'ten' is a group of 10 units.

We count them in groups of ten: 10, 20, 30, 40, 50, 60, 70, 80,

9

0. Think about the number

3

6. The digit 6 is in the Units place. Its value is just

6. The digit 3 is in the Tens place. Its value is 3 tens, which is

3

0. We can use tools like Flard Cards to see this clearly. For the number 36, you would have one card with '30' and a smaller card with '6' that you place on top of the

0. Decomposing (Breaking Down) Numbers Decomposing a number means breaking it into its place value parts (tens and units). This is a very important skill for addition and subtraction.