Year 8

Year 8

# Naming straight line graphs

## Lesson details

### Key learning points

1. In this lesson, we will be looking at plotting coordinates onto a grid and simple notation for labelling straight line graphs.

### 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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### 5 Questions

Q1.
What is an integer?
A fraction
A special coordinate
The horizontal axis
Q2.
Complete the following sentence: On a horizontal line the..............
No ordinate stays the same
x-ordinate is always the same
Correct answer: y-ordinate is always the same
Q3.
Which integer values can y be for the inequality shown above?
-2, -1, 0, 1, 2, 3
Correct answer: -3, -2, -1, 0, 1, 2
-3, -2, -1, 0, 1, 2, 3
-3, -2.5, -1,5, 0, 1, 1.5, 2
Q4.
Which of the following inequalities covers the following integer values of x? -1, 0, 1, 2, 3, 4?
-1 < x < 4
-2 < x < 4
Correct answer: -2 < x < 5
Q5.
Which of the following coordinates satisfies the inequalities; -2 < x < 3 and -5 < y < 3?
(-2,-5)
(-3,3)
(3,2)

## Exit quiz

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### 5 Questions

Q1.
John says, "In my line, all my y-ordinates are triple my x-ordinates". Tick the equation that represents John's line.
y = 4x
y = x - 3
y = x +3
Q2.
Jenny says, "In my line, all my y-ordinates are 5 less than my x-ordinates". Tick the equation that represents Jenny's line.
y = 5 - x
y = 5x
y = x + 5
Correct answer: y= x - 5
Q3.
Which of the following lines does the point (2,6) lie on?
y = 2x
y = x - 4
y = x +3
Q4.
Which of the following lines does the point (3,-6) lie on?
y = 2x - 4
y = 3x
Correct answer: y = x - 9
y = x + 8
Q5.
Which of the following coordinates lies on the line y=2x-1