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Hey koimnoel, good to see you again. Here is a simple Grade 3 Mathematics lesson plan on subtraction with borrowing: Lesson Plan: Subtracting Two-Digit Numbers (with Borrowing) Topic: Subtraction with Borrowing Grade Level: Grade 3 Time: 45 minutes 1. Lesson Objectives: Students will learn to subtract two-digit numbers using a vertical method. Students will understand how to "borrow" from the tens place when they cannot subtract in the ones place. Students will use counting blocks to help them subtract. 2. What Students Already Know: How to subtract small numbers (e.g., 8 - 3). How to subtract two-digit numbers without borrowing (e.g., 35 - 12). Numbers up to 100. 3. Materials Needed: Counting blocks (like tens and ones blocks) Whiteboard or blackboard Markers or chalk Worksheet with subtraction problems 4. Lesson Steps: Step 1: Review Easy Subtraction (5 minutes) Start with a few simple subtraction problems that do not need borrowing. Example: 48 - 23 Ask students to solve them using the vertical method. Step 2: Introduce a Harder Problem (15 minutes) Write a problem like 45 - 27 on the board. Ask: "Can we take 7 from 5 in the ones place?" (Answer: No). Explain "borrowing": "We need more ones. Let's take 1 ten from the 4 tens. The 4 tens become 3 tens." "We give that 1 ten to the 5 ones. 1 ten is 10 ones. So, 5 ones become 15 ones." Show this with counting blocks: Start with 4 tens and 5 ones. Take one ten block, exchange it for ten one blocks. Now you have 3 tens and 15 ones. Now subtract: Ones place: 15 - 7 = 8. Write 8. Tens place: 3 - 2 = 1. Write 1. The answer is 18. Step 3: Practice Together (15 minutes) Do another problem together, like 63 - 28 Guide students to follow the borrowing steps. Use blocks again to show the process. Step 4: Independent Practice (10 minutes) Give students a few problems to solve on their own or with a partner. Walk around and help students who need it. 5. Assessment: Check if students can solve subtraction problems that need borrowing. Ask them to explain how they "borrowed" a ten. 6. Homework: Give students a worksheet with 5-10 subtraction problems that require borrowing to practice at home. Drop the next question! 📚