Checking and securing understanding of plotting coordinates | Maths

Starter quiz

$(7, 3)$ is an example of a __________ pair.

fraction

ratio

number

coordinate ✓

vector
On a coordinate grid the vertical axis is labelled as ...

$x$

$y$ ✓

$z$
What is this coordinate?

$2$

$2.2$

$2,2$

$(2,2)$ ✓
Squares have four equal __________ and four equal ...

sides ✓

angles ✓

areas

volumes

units
What's wrong with the labelling of this coordinate?

We use dots, not crosses to mark coordinates.

There is no comma between the $x$ and $y$ coordinates. ✓

The $x$ and the $y$ coordinates are the wrong way round.

Nothing.
The coordinate $(0, 0)$ is also known as ...

point zero

the origin ✓

the start

the nil coordinate

Which language best describes this coordinate position?

2 along, 5 up

2 right, 5 up

2 in the $x$ direction, 5 in the $y$ direction

2 in the positive $x$ direction, 5 in the positive $y$ direction ✓
Match the points to the correct coordinate.

A

⇔

$(3, 2)$ ✓

B

⇔

$(−2, 3)$ ✓

C

⇔

$(−3, −2)$ ✓

D

⇔

$(2, −3)$ ✓
What is this coordinate?

$(3, 1)$

$(1, 3)$

$(6, 2)$

Until we know the scale of the axes we can not know this coordinate. ✓
What is this coordinate?

$(2, 15)$

$(15, 2)$ ✓

$(1, 3)$

$(3, 1)$
ABCD is a square. What is coordinate C?

$(1.7, 3.2)$

$(−1.7, −3.2)$

$(−1.7, 3.2)$ ✓

$(−3.2, 1.7)$

$(3.2, −1.7)$
ABCD is a square. What is coordinate D?

$(1.7, 3.2)$

$(4.9, 4.9)$

$(4.9, 1.5)$

$(1.5, 4.9)$ ✓

It is not possible to work it out without more information.

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It is possible to plot coordinates approximately in the correct quadrant.
Coordinates can be plotted exactly when the axes are labelled.
By careful consideration of coordinates the missing vertices of a shape can be found.

Where is coordinate (−2,5)? 2 down, 5 right from the origin? 5 right, 2 down from the origin?

Coordinates in (x,y) form. −2 is x-instruction. From (0,0) will we travel in a positive or negative x-direction?

Quadrant - Any one of the four areas into which a space is divided by the x- and y-axes in the Cartesian coordinate system.