Objective
By the end of this lesson, you will be able to solve arithmetic problems involving addition, subtraction, multiplication, and division.
Materials and Prep
- Pencil
- Blank paper
- Calculator (optional)
No prior knowledge is required for this lesson.
Activities
-
Activity 1: Addition Practice
Start by solving the following addition problems:
- 12 + 7 = ?
- 35 + 18 = ?
- 89 + 42 = ?
Write down your answers and check them using a calculator if needed.
-
Activity 2: Subtraction Challenge
Now, let's move on to subtraction. Solve the following problems:
- 56 - 19 = ?
- 73 - 42 = ?
- 105 - 87 = ?
Write down your answers and check them using a calculator if needed.
-
Activity 3: Multiplication Madness
It's time to practice multiplication! Solve the following problems:
- 8 x 4 = ?
- 12 x 6 = ?
- 25 x 3 = ?
Write down your answers and check them using a calculator if needed.
-
Activity 4: Division Dilemma
Lastly, let's tackle some division problems:
- 36 ÷ 6 = ?
- 81 ÷ 9 = ?
- 100 ÷ 5 = ?
Write down your answers and check them using a calculator if needed.
Ninth Grade Talking Points
- "Arithmetic is a fundamental branch of mathematics that deals with numbers and basic operations."
- "Addition is the process of combining two or more numbers to find their total."
- "Subtraction is the process of taking one number away from another to find the difference."
- "Multiplication is a shortcut for repeated addition. It is used to find the total when the same number is added multiple times."
- "Division is the process of sharing or distributing a quantity equally among a given number of groups or individuals."