Topic 4

Subtraction

Lesson 1 
A run down of the contents for the topic. 
Lesson 2 
Introduction to subtraction. 
Lesson 3 
This lesson explains difference is basically the same as
subtraction. 
Lesson 4 
Subtraction tables for all numbers up to 10. 
Lesson 5 
In this lesson we learn about zero and minus in
subtraction. 
Lesson 6 
In this lesson we learn how to subtract a single
number from numbers up to 20 . 
Lesson 7 
In this lesson we introduce subtraction using the column
method. 
Lesson 8 
This lesson is about finding the missing number. Both
addition and subtraction examples are given. 
Lesson 9 
Five Subtraction workouts. Includes 1
Up to 10 2 Up to 15 3 Up
to 20 4 From 10 to 20
5 Where the answer can be minus. 