Addition and Subtraction Mastery
What do you already know about adding and subtracting?
Items in this lesson
What do you already know about adding and subtracting?
Learning Objective
At the end of the lesson, you will confidently add and subtract numbers to complete your maths worksheet.
What Is Addition?
Addition means putting numbers together to find out the total.
Addition Example
For example, 3 + 2 = 5. Adding 3 apples and 2 apples gives you 5 apples.
What Is Subtraction?
Subtraction means taking away some numbers to see what is left.
Subtraction Example
For example, 5 - 2 = 3. If you take 2 apples from 5 apples, 3 apples are left.
Addition vs. Subtraction
Finds what is left. Numbers get smaller.
Addition
Finds the total. Numbers get bigger.
Subtraction
Using a Number Line
Number lines help us add by moving right and subtract by moving left.
Addition Practice
Try this: What is 4 + 3? Think about putting groups together.
Subtraction Practice
Try this: What is 9 - 6? Imagine taking away objects from a group.
Now You Try!
Complete your worksheet with confidence. Remember to check your answers!
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.
Addition and Subtraction Mastery
