Year 3
Year 3
Deriving New Facts From Number Bonds (Part 2)
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Lesson details
Key learning points
- In this lesson, we will look at the properties of addition and subtraction, including the law of commutativity. We will revisit place value and consider addition and subtraction as inverse operations.
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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5 Questions
Q1.
45 < 46, True or False?
False
Q2.
34 > 38, True or False?
True
Q3.
Which number sequence is correct? (Select 1)
4 < 6 < 3 < 2 < 1
Q4.
67 = 76, True or False?
True
Q5.
Which number sequence is correct? (Select 1)
21 < 12 < 32 < 31
21 = 32 = 31
31 > 32 > 23> 31
5 Questions
Q1.
If I know that 6 + 2 = 8, then I know
16 + 2 = 8
8 + 2 = 6
Q2.
6 + 2 = 8 - Which equation shows 'one more'
16 + 2 = 18
5 + 2 = 7
60 + 20 = 80
Q3.
6 + 2 = 8 - Which equation shows commutativity?
16 + 2 = 8
8 - 2 = 6
8 - 6 = 2
Q4.
6 + 2 = 8 - Which equation shows the inverse
16 + 2 = 18
60 + 20 = 80
Q5.
6 + 2 = 8 - Which equation shows changing the tens place value?
16 + 2 = 8
16 + 2= 18
60 + 2 = 80