Objective

By the end of this lesson, you will be able to perform basic arithmetic operations, such as addition, subtraction, multiplication, and division, with ease and confidence.

Materials and Prep

• Pencil and paper
• Calculator (optional)

No prior knowledge or preparation is required for this lesson.

Activities

1. Warm-up: Let's start by watching a fun and educational YouTube video about arithmetic. Search for "Third grade arithmetic" on YouTube and select a video that catches your attention. Watch it and take note of any new concepts or strategies you learn.

2. Practice Addition: Now, let's practice addition! Write down five addition problems on your paper, such as 27 + 14, 63 + 29, etc. Solve each problem step by step, showing your work. If you need help, feel free to use a calculator.

3. Practice Subtraction: Next, let's move on to subtraction. Write down five subtraction problems on your paper, such as 85 - 37, 124 - 56, etc. Solve each problem step by step, showing your work. Remember to borrow when necessary.

4. Practice Multiplication: It's time for multiplication! Write down five multiplication problems on your paper, such as 6 x 8, 9 x 3, etc. Solve each problem step by step, showing your work. If you're unsure, you can use repeated addition as a strategy.

5. Practice Division: Lastly, let's tackle division. Write down five division problems on your paper, such as 48 ÷ 6, 81 ÷ 9, etc. Solve each problem step by step, showing your work. If needed, you can use manipulatives or drawing to help visualize the division process.

Third Grade Talking Points

• "Arithmetic is all about working with numbers."
• "Addition is combining two or more numbers to find the total."
• "Subtraction is taking away one number from another to find the difference."
• "Multiplication is a quicker way of adding the same number multiple times."
• "Division is sharing or grouping a number into equal parts."