Lesson Notes By Weeks and Term v4 - Basic 6

Lesson Video

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Performance objectives

• Identify whole numbers, fractions, and decimals.
• Perform basic math operations.
• Convert between fractions and decimals.
• Solve real-life problems using numbers.

Lesson summary

In our daily lives in Ghana, we see numbers in many different forms. When we go to the market, we might see a sign that says "50% off!" on a pair of shoes. When we take a test, our teacher might give us a score like 18 out of 20. When we buy a bottle of shito, the label might say it contains 0.5 litres. These are all different ways of showing parts of a whole: percentages (50%), fractions (18/20), and decimals (0.5). Understanding how to change these numbers from one form to another is a very important skill for shopping, cooking, school, and many other activities. This lesson will teach us how to easily move between fractions, decimals, and percentages.

Lesson notes

Today, we are learning that fractions, decimals, and percentages are like cousins – they are related and can be used to represent the same value. Think of them as three different Ghanaian languages (like Twi, Ga, and Ewe) used to say the same thing.

A. What are they? Fraction: A part of a whole. It has a numerator (top number) and a denominator (bottom number). Example: If you cut a loaf of bread into 4 equal parts and take 1, you have taken 1/4 of the bread. Decimal: Another way to write a fraction, using a decimal point. It is based on powers of 10 (tenths, hundredths, thousandths). Example: Half a cedi can be written as GH₵0.50. Percentage (%): A special type of fraction where the denominator is always 100. The word "percent" means "per hundred" or "out of 100". Example: If 80 out of 100 students pass an exam, we say 80% passed.

The key to this lesson is learning how to convert or translate between these three forms.

B. The Conversion Triangle