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# Vector Gem Collector

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Age 14 to 18

Challenge Level

- Game
- Getting Started
- Teachers' Resources

To add a new vector, click on the green + sign.

Then click on the vector to edit it.

You can click on the + and - signs to increase or decrease the two components of the vector - see the screenshot below:

Once you have chosen all your vectors, click on "Close" and then click "Get a score" to find out how many gems you have collected!

Don't forget that your final vector needs to take you back home.

Then click on the vector to edit it.

You can click on the + and - signs to increase or decrease the two components of the vector - see the screenshot below:

Once you have chosen all your vectors, click on "Close" and then click "Get a score" to find out how many gems you have collected!

Don't forget that your final vector needs to take you back home.

If p is a positive integer and q is a negative integer, which of these expressions is the greatest?

In this game the winner is the first to complete a row of three. Are some squares easier to land on than others?

Substitute -1, -2 or -3, into an algebraic expression and you'll get three results. Is it possible to tell in advance which of those three will be the largest ?