Adding directed numbers
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Lesson details
Key learning points
- In this lesson, we will recap adding directed (+ -) numbers using visual representations such as double sided counters to aid understanding.
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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.
Which calculation do these counters represent?
-3 + 4 = -1
3 + -4 = 1
3 + 4 = 7
Q2.
Q2) Calculate -4 + 7
-11
-3
11
Q3.
Q3) Evaluate 4 + -7
-11
11
3
Q4.
Q4) Work out -4 + -7
-3
11
3
Q5.
Find the Missing number
-10
-16
10