Plasers | NZ Maths

Thanks for visiting NZMaths.
We are preparing to close this site by the end of August 2024. Maths content is still being migrated onto Tāhūrangi, and we will be progressively making enhancements to Tāhūrangi to improve the findability and presentation of content.

For more information visit https://tahurangi.education.govt.nz/updates-to-nzmaths

Students use their knowledge of cartesian coordinates and linear equations to pop bubbles with a laser. The bubbles have integer values which the student sums to score points.

Learning objects

	Plasers: choose coordinates (+) The student is given a starting point for a 'laser' and is asked to enter coordinates for a finishing point. The goal is to choose a point that means the laser pops as many positive bubbles and as few negative bubbles as possible. Only the positive quadrant of the coordinate plane is used.
	Plasers: choose coordinates (+/-) The student is given a starting point for a 'laser' and is asked to enter coordinates for a finishing point. The goal is to choose a point that means the laser pops as many positive bubbles and as few negative bubbles as possible. All quadrants of the coordinate plane are used.
	Plasers: enter an equation (+) The student is asked to enter values for m and c to define a linear equation of the form y=mx+c. The corresponding line is a laser which pops bubbles with integer values. The goal is to choose a point that means the laser pops as many positive bubbles and as few negative bubbles as possible. Only the positive quadrant of the coordinate plane is used.
	Plasers: enter an equation (+/-) The student is asked to enter values for m and c to define a linear equation of the form y=mx+c. The corresponding line is a laser which pops bubbles with integer values. The goal is to choose a point that means the laser pops as many positive bubbles and as few negative bubbles as possible. All quadrants of the coordinate plane are used.
	Plasers: place bubbles (+) The student is given the equation for a line representing a 'laser'. They are asked to provide coordinates for the locations of three bubbles with integer values. The goal is to choose a coordinates that means the laser pops positive bubbles misses negative bubbles. Only the positive quadrant of the coordinate plane is used.
	Plasers: place bubbles (+/-) The student is given the equation for a line representing a 'laser'. They are asked to provide coordinates for the locations of three bubbles with integer values. The goal is to choose a coordinates that means the laser pops positive bubbles misses negative bubbles. All quadrants of the coordinate plane are used.