
Session 1 · SOLVE: See the Pattern
The 'no pointing' challenge
- 10 minHook: in pairs, one person hides a small object in the classroom and describes where it is without pointing or naming the furniture. How many clues does it take? Which clues worked?
- 10 minShare the words that helped: how far, which way, a starting point. These are the three ideas every map uses.
- 20 minHuman grid: lay string lines on the court or field to make a grid with a centre point (0, 0). Students stand on points called out as ordered pairs, including negative numbers. What pattern do you notice in each quadrant?
- 10 minExit card: write the coordinates of three friends on the grid, and one point in each quadrant.
Session 2 · SOLVE: See the Pattern
Which way is north?
- 10 minRead 'Grids, coordinates and grid references'. Why does the x-coordinate always come first?
- 15 minShadow stick: push a stick into the ground and mark the tip of its shadow every 10 minutes around midday. In Aotearoa the midday shadow points roughly south. Check with a compass.
- 15 minCompass rose walk: in the playground, face each of the eight points (N, NE, E, SE, S, SW, W, NW) and name a landmark in each direction. How many degrees between each point?
- 10 minDraw a compass rose with the eight points and their degrees (N = 0°, NE = 45°…).
Getting started
Use a first-quadrant grid with only positive numbers and the four main compass points before adding negatives and halfway points.
Stretch
Add the sixteen-point compass (NNE, ENE…). How many degrees apart are the points now? What about 32 points?
Checkpoint
Everyone can plot and read a point in any quadrant and name the eight compass points with their angles.
Activities for this week
- Human coordinate grid: How can two numbers describe any spot on a field?
- Shadow stick and compass rose: Can the Sun tell you which way is north?
Useful this week
- Cartesian coordinates ↗ Clear diagrams of the coordinate plane and all four quadrants, with practice.
- Degrees (angles) ↗ What a degree is and why a full turn is 360°.