Explain how negative numbers are used on a coordinate grid
I can explain how negative numbers are used on a coordinate grid.
Explain how negative numbers are used on a coordinate grid
I can explain how negative numbers are used on a coordinate grid.
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Lesson details
Key learning points
- Coordinates can include negative values
- The x or horizontal value is always the first value in a coordinate
- The y or vertical value is always the second value in a coordinate
Keywords
Coordinates - Coordinates are a set of values that show an exact position.
Quadrant - Any of the four areas made when a plane is divided by an x and y axis.
Axis / Axes - The x and y lines that cross at right angles to make a graph or grid.
Common misconception
Pupils can get mixed up with which comes first, the x or y axis, when reading/plotting coordinates.
There are lots of aide-mémoires to remember the order. However, regular practice using a stem sentence like the one in the lesson will help.
To help you plan your year 5 maths lesson on: Explain how negative numbers are used on a coordinate grid, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your year 5 maths lesson on: Explain how negative numbers are used on a coordinate grid, download all teaching resources for free and adapt to suit your pupils' needs.
The starter quiz will activate and check your pupils' prior knowledge, with versions available both with and without answers in PDF format.
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Prior knowledge starter quiz
6 Questions
Q1.What are the coordinates being shown here?
Q2.What are the coordinates being shown here?
Q3.Which of the statements about the number −5 are true? Tick all that apply.
Q4.Tick all the statements that are true.
Q5.Put the following numbers into descending order.
Q6.What number is exactly halfway between −10 and −9?
Assessment exit quiz
6 Questions
Q1.Match the keyword with the definition.
a set of values that show an exact position
any of 4 areas made when a plane is divided by x and y axes
the x and y lines that cross at right angles to make a grid
Q2.Using brackets and a comma, give the coordinates of the cross marked on this two quadrant grid.
Q3.Match the letters with the quadrant descriptions.
positive x direction, positive y direction
negative x direction, positive y direction
negative x direction, negative y direction
positive x direction, negative y direction
Q4.In which quadrant will you find the coordinate (−2, 5)?
Q5.If the axes were extended, in which quadrant would you find the coordinate (18, −25)?
Q6.When joined together, the four crosses form a rectangle. Tick all of the coordinates that would be found inside the rectangle.
