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Expressions, Equations, and Inequality Review

Objective: Create and solve equations



Directions: Use the skills you have learned in the previous lessons to create and solve equations on your own.



Introduction

In everyday real-life situations where there is an unknown quantity, using equations can help solve problems. For example, calculating income over time, mileage rates, and predicting costs of multiple items. Finding the value of an unknown is a valuable skill.

Review

Directions: Create and solve 10 equations of your own.

User Blazes
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2 Answers

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2+2 is 4 - 1 that’s 3 quick mas, I’m not good at math just figured a joke might lighten someone’s day up lol
User Splitlocked
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Answer:

1. If John has 5 apples and he wants to give 2 apples to his friend, how many apples will he have left?

Equation: 5 - 2 = x

Solution: John will have 3 apples left.

2. If a store is having a 20% off sale and a shirt originally costs $25, what is the sale price of the shirt?

Equation: 0.2 * 25 = x

Solution: The sale price of the shirt is $20.

3. If a car travels at a speed of 60 miles per hour for 3 hours, how far does it travel?

Equation: 60 * 3 = x

Solution: The car travels 180 miles.

4. If a pizza has 8 slices and 3 slices are eaten, how many slices are left?

Equation: 8 - 3 = x

Solution: There are 5 slices left.

5. If a recipe calls for 2 cups of flour and you want to make half the recipe, how much flour do you need?

Equation: 2 * 0.5 = x

Solution: You need 1 cup of flour.

6. If a company has a total of 100 employees and 25% of them are managers, how many managers are there?

Equation: 0.25 * 100 = x

Solution: There are 25 managers.

7. If a train travels at a speed of 80 miles per hour for 2.5 hours, how far does it travel?

Equation: 80 * 2.5 = x

Solution: The train travels 200 miles.

8. If a shirt originally costs $40 and it is on sale for 30% off, what is the sale price of the shirt?

Equation: 0.3 * 40 = x

Solution: The sale price of the shirt is $28.

9. If a recipe calls for 3 eggs and you want to make half the recipe, how many eggs do you need?

Equation: 3 * 0.5 = x

Solution: You need 1.5 eggs, which can be rounded up to 2 eggs.

10. If a company has a total of 50 employees and 20% of them are part-time, how many part-time employees are there?

Equation: 0.2 * 50 = x

Solution: There are 10 part-time employees.

User Daniel Little
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