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## Lesson details

### Key learning points

1. In this lesson, we will be able to model addition of a positive number as a translation on the number line and use this model to develop strategies for addition.

### 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.

## Video

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## Worksheet

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## Starter quiz

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### 7 Questions

Q1.
Choose which option fills the gap best; The ______________________ of a number is it’s distance from zero.
length
positive
sign
Q2.
True or false: The absolute value of a number is always greater than the number itself.
True
Q3.
Find the absolute value of the number -3.
-3
6
I'm not sure
Q4.
Find the absolute value of the number 0.
Doesn't exist
infinity
negative infinity
Q5.
Choose the correct inequality system to fill the space -6 ___ -7
<
=
Q6.
Choose the correct inequality system to fill the space -13 ___ 6
=
>
Q7.
Which two integers have the same absolute value and have a distance between them of 100?
100 and 0
150 and 50
40 and 60

## Exit quiz

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### 5 Questions

Q1.
Which word best fills in the gap in this sentence: We can think of addition as _____________ a point on the number line.
fixing
turning
Q2.
Write a calculation that the number line is modelling
-3 + 8
(-5) - 3
3 + (-8)
Q3.
Calculate (-33) + 25
-58
58
8
Q4.
Calculate (-29) + 29
-38
19
38
Q5.
Find the value of a:
-15
-25