Year 1
Subtracting by partitioning
Year 1
Subtracting by partitioning
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Lesson details
Key learning points
- In this lesson, we will learn to subtract by partitioning a whole into parts.
Licence
This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.
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3 Questions
Q1.
Choose the most efficient way to add eight and two together.
Option 2
Q2.
Choose the equation that is equal to 4 + 2
2 + 1
6 + 1
Q3.
In the picture 5 sheep are in the field, 2 are outside the field. Which is the most efficient equation to represent this problem?
3 + 4 = 7
4 + 5 = 9
3 Questions
Q1.
First, there were six glasses of juice. Then someone knocked over two glasses. How many glasses are left?
2 glasses.
6 glasses.
Q2.
First, there were five eggs in the carton. Then, Snow White cracked three to bake a cake. How many eggs were left in the carton?
10 eggs.
5 eggs.
Q3.
First, there were six glasses of juice. Then someone knocked over two glasses. Now there are four glasses left. Choose the equation that represents this story.
4 - 2 = 2
6 + 2 = 8