Lesson Notes By Weeks and Term v5 - Grade 1

Lesson Video

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Performance objectives

• Count forwards and backwards between 0 and 34.
• Identify and represent numbers from 0 to 34.
• Compare numbers using 'more than', 'less than', and 'equal to'.
• Solve simple addition and subtraction problems.
• Find the number before, after, and between other numbers.

Lesson summary

In Grade 1, understanding numbers and how they work is like building a strong foundation for a house. This week, we're going to focus on numbers from 0 to

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4. We will explore counting, comparing, ordering, and solving simple problems using these numbers. This is important because we use numbers every day in South Africa! We count sweets we want to buy at the spaza shop, we share toys with our friends, and we even use numbers when we play games like hopscotch. Learning about numbers helps us become better problem solvers and prepares us for more exciting math in the future.

Lesson notes

Counting and Number Recognition: Numbers are used to represent quantities. We can count objects one by one to find out how many there are.

Counting Forwards: Saying numbers in order, starting from 0 and going up.

For example: 0, 1, 2, 3, 4...

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4. Counting Backwards: Saying numbers in order, starting from 34 and going down.

For example: 34, 33, 32, 31...

0. Number Recognition: Being able to look at a number and know what it is. We can use flashcards, number charts, and objects to practice this.

Example: Imagine you have a pile of colourful beads. Start counting them one by one. Say "one", then move a bead. Say "two", move another bead. Keep going until you've counted all the beads. The last number you say tells you how many beads you have in total.

Comparing and Ordering Numbers: More Than: A number is "more than" another number if it comes later when counting forwards.

Less Than: A number is "less than" another number if it comes earlier when counting forwards.

Equal To: Numbers are "equal to" each other when they represent the same amount.

Example: 15 is more than 10 because when we count, we say 10 before we say

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5. Think of it like having two piles of sweets. If one pile has 15 sweets and the other has 10, the pile with 15 sweets has more. 5 is less than 8 because when we count, we say 5 before we say 8. 7 is equal to 7 because they both represent the exact same quantity.

Addition and Subtraction: Addition: Putting two or more groups of objects together to find the total. We use the "+" sign.

Subtraction: Taking away objects from a group to find out how many are left. We use the "-" sign.

Example (Addition): You have 5 mangoes and your friend gives you 3 more mangoes. To find out how many mangoes you have in total, you add them: 5 + 3 = 8 mangoes.

Example (Subtraction): You have 12 biscuits and you eat 4 of them. To find out how many biscuits are left, you subtract: 12 - 4 = 8 biscuits. Before, After and Between: Every number has a number that comes before it, a number that comes after it, and sometimes a number between two other numbers.

Example: What number comes before 10?

Answer: 9 What number comes after 21?

Answer: 22 What number comes between 14 and 16?

Answer: 15 Guided Practice (With Solutions)

Question 1: Count the number of apples in the picture (draw a picture of 13 apples).

Solution: Count each apple one by one: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12,

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3. There are 13 apples.

Commentary: This helps reinforce counting skills and number recognition.

Question 2: Which is more: 18 or 25?

Solution: 25 is more than

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8. When we count, we say 18 before we say

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5. This means that 25 represents a bigger quantity.

Commentary: This focuses on comparing numbers and understanding their relative size.

Question 3: You have 7 marbles and your sister gives you 4 more. How many marbles do you have in total?

Solution: We need to add the marbles together: 7 +

4. You can use your fingers or draw circles to help. 7 + 4 = 11 marbles.

Commentary: This practices addition using concrete objects and simple word problems.

Question 4: You have 15 sweets and you give 6 to your friend. How many sweets do you have left?

Solution: We need to subtract the sweets you gave away: 15 -

6. You can use your fingers, draw pictures or use counters to help. 15 - 6 = 9 sweets.

Commentary: This practices subtraction using concrete objects and simple word problems.

Question 5: What number comes before 30? What number comes after 30?

Solution: The number before 30 is

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9. The number after 30 is

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1. Commentary: This reinforces the sequence of numbers and helps build number sense. Independent Practice (Questions Only) Count the number of bananas in the picture. (Draw a picture of 22 bananas).

Which is less: 9 or 16? Order these numbers from smallest to largest: 3, 11, 27,

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5. You have 8 oranges and your brother gives you 5 more. How many oranges do you have in total? You have 19 stickers and you use 7 of them. How many stickers do you have left? What number comes between 22 and 24? Write the number that is one more than

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4. Write the number that is one less than

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3. Sarah has 12 crayons and John has 5 crayons. How many more crayons does Sarah have than John? There are 25 children in the class and 3 are absent. How many children are present?