One-Step Equations with Fractions and Decimals

The lesson focuses on solving multiplication and division equations using fractions and decimals. It begins with rewriting equations and identifying operations. The teacher explains how to use the opposite operation to solve equations, demonstrating with examples involving fractions and decimals. The lesson emphasizes understanding the relationship between numbers and variables, and concludes with a final problem-solving exercise.

Why is it important to start by rewriting the equation?

• To make it look neat

• To identify the variable and operations

• To confuse the students

• To make it longer

What is the opposite operation of division?

• Addition

• Subtraction

• Multiplication

• Exponentiation

If you have the equation 3 = x / 3.3, what should you multiply both sides by to solve for x?

• 1

• 9

• 3.3

• 3

In the equation 5 = w / 2.2, what is the value of w?

• 13

• 10

• 11

• 12

What operation should be used to solve the equation j / 3 = 4?

• Division

• Multiplication

• Addition

• Subtraction

When dividing with decimals, what must you do with the decimal point?

• Ignore it

• Move it to the left

• Move it to the right

• Remove it

How many times does 5 fit into 45?

• 10

• 9

• 8

• 7

To solve 9 = 4t, what operation should be performed?

• Add 4 to both sides

• Divide both sides by 4

• Subtract 4 from both sides

• Multiply both sides by 4

What is the value of t in the equation 9 = 4t?

• 2.25

• 2.5

• 3

• 2.75

What is the first step in solving the equation 4.5 = 0.5f?

• Add 0.5 to both sides

• Subtract 0.5 from both sides

• Multiply both sides by 0.5

• Divide both sides by 0.5