Year 1
Counting back in ones to subtract
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Lesson details
Key learning points
- In this lesson, we will practice subtracting by counting back in ones. We will do this with the support of a number line.
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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.
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
3 Questions
Q1.
Use the number line to solve 8 - 4 =
6
8
Q2.
Use the number line to solve 10 - 3 =
5
6
Q3.
Use the number line to solve 5 - 2 =
4
5