To explore addition and subtraction (Part 1)
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Lesson details
Key learning points
- In this lesson, we will use addition and subtraction strategies to solve equations.
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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.
Does the part-whole model match the word problem? Select yes or no below.
No
Q2.
What is the missing number in the part-whole model?
28
Q3.
Which equation matches the word problem and part-whole model?
20 + 20 = 40
3 Questions
Q1.
What is another way of writing this addition sentence?
19 + 4 = 15
Q2.
Choose another way of writing this equation.
8 = 12 + 4
Q3.
Is the bottom equation correct? Select yes or no.
Yes