Objectives for this lesson:
1.
Given diagrams, models, and real-life examples of fractions, students will perform the subtraction of fractions with the same and different denominators with at least 80% accuracy.
2.
Using rulers, grid paper, or digital drawing tools, students will construct or draw fraction models to represent the subtraction of fractions with the same and different denominators with at least 80% accuracy.
3.
During group activities and hands-on investigations, students will show interest and cooperation when subtracting fractions with the same and different denominators by actively participating and sharing ideas respectfully.
4.
During guided and independent practice activities, students will show confidence and persistence when subtracting fractions by attempting all assigned problems and participating in discussions.
5.
During class discussions or written responses, students will explain the strategies used to subtract fractions involving the same denominator and different denominators.
Important terms to remember
Denominator
The denominator tells us how many equal parts the whole is split into.
👉 It is the bottom number in a fraction.
Example:
In the fraction 3/8, the 8 is the denominator.
That means the whole is cut into 8 equal pieces.
Numerator
The numerator tells us how many parts we are talking about or using.
👉 It is the top number in a fraction.
Example:
In 3/8, the 3 is the numerator.
Multiples
A multiple is a number you get when you multiply a number by whole numbers like 1, 2, 3, 4, and so on.
Example:
Let’s use the number 5.
-
5 × 1 = 5
-
5 × 2 = 10
-
5 × 3 = 15
-
5 × 4 = 20
So 5, 10, 15, and 20 are all multiples of 5.
🧠 Think:
“If I can make the number by multiplying, it is a multiple.”
Equivalent Fractions
Equivalent fractions are fractions that look different but mean the same amount.
Even though the numbers change, the value stays the same.
Example:
Imagine a pizza:
-
1/2 means half of the pizza
-
2/4 also means half of the pizza
So 1/2 = 2/4
They are equivalent fractions because they show the same amount of pizza.
Simplifying a Fraction
Simplifying a fraction means making it smaller and easier to read, but it still means the same amount.
Example:
2/4 can be simplified to 1/2.
They both mean the same amount, but 1/2 is simpler.
🧠 Think: “Make it smaller, but keep it the same.”
Watch this Video!
Group Activity
How to work together:
-
Work in groups of three.
-
Talk about each problem before writing the answer.
-
One person types, another checks, and another explains the steps.
-
Show working for every question.
