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.
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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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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