Using doubles to calculate near doubles
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Lesson details
Key learning points
- In this lesson, we will use our doubling knowledge to support with calculations within 20
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3 Questions
Q1.
Use this part, whole model to help you find the missing number in the addition equation.
3
5
Q2.
What is the missing number in this part, whole model and equation?
10
9
Q3.
What is the missing number?
7
9
3 Questions
Q1.
What is double 3?
Double 3 is 5
Double 3 is 7
Q2.
What is double 4?
Double 4 is 10
Double 4 is 9
Q3.
If I know that double 4 is 8 then what is 4 plus 5?
4 + 5 = 8