Year 2
Year 2
Subtracting 2 digit numbers involving regrouping
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Lesson details
Key learning points
- In this lesson, we will learn how to subtract two digit numbers by using dienes cubes to represent our mental calculations.
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.
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
3 Questions
Q1.
Solve the following equation mentally: 18-10=?
0
10
Q2.
Solve the following by using a whole part model and the "Make 10" strategy. 32-15=?
15
22
Q3.
Solve the following equation by using a whole part model and the "Make 10" strategy. 45-16=?
28
35