Solving Percentage Word Problems

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Solving Percentage Word Problems

What do you already know about percentages in real-life situations?

Learning Objective

At the end of the lesson, you will be able to solve word problems involving percentages.

What is a Percentage?

A percentage is a way of expressing a number as a part of 100. The symbol for percentage is %.

Where do we Use Percentages?

Percentages are used in shopping, calculating discounts, test results, and everyday life!

From Fraction to Percentage

To convert a fraction to a percentage, multiply it by 100 and add the % sign.

Example: Fraction to Percentage

If you have 1/4 of a pizza: (1/4) × 100 = 25%. So, you ate 25% of the pizza.

Solving a Percentage Word Problem

Example: There are 40 students in a class. 25% of them are left-handed. How many students is that?

Step-by-Step Solution

1. 25% of 40 = 0.25 × 40 = 10. 10 students are left-handed.

Сабақтың мақсаты:

• Пайыз ұғымын қайталау

• Мәтінді есептерді талдау дағдыларын дамыту

• Пайызды қолдана отырып есептер шығару

Key Steps to Solve

2. Multiply

Change the percentage to a decimal and multiply by the total.

1. Identify the percentage

Check what percentage of the whole you need.

Real-life Percentage Problems

Work in pairs and create your own percentage word problem to share with the class.

Reflection

How confident do you feel solving percentage word problems now? Share one thing you learned today.

Write down 3 things you learned in this lesson.

Write down 2 things you want to know more about.

Ask 1 question about something you haven't quite understood yet.