Subtracting a 2 digit number and ones with regrouping
Subtracting a 2 digit number and ones with regrouping
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Lesson details
Key learning points
- In this lesson, we will learn how to subtract two digit numbers and ones with regrouping by using a part whole model to help us.
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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.
Do you need to use the "Make 10" strategy for the following equation? 13-3=?
Yes
Q2.
What known fact can help you solve the following equation? 15-4=?
15-5-10
5-1=4
Q3.
Solve the following equation using the "Make 10" strategy: 33-5=?
27
30
3 Questions
Q1.
In the following equation, how can you partition the 4 in order to use the "Make 10" strategy? 61-4=57
1 and 4
2 and 2
Q2.
Solve the following equation: 27-8=?
1
20
Q3.
Solve the following equation: 53-6=?
50
56