Symmetry hunt
Find something perfectly symmetrical in your environment (a building facade, a leaf, a window). Photograph it and draw the line of symmetry on paper or on the screen.
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More from this experience
Count the windows
Pick a building you can see in full. Count exactly how many windows it has on the side facing you. Write the number on paper and photograph the building with the number visible.
Estimate the height
Pick a tall tree, building or pole. Estimate how tall it is in meters (one floor of a house is roughly 3 meters). Write your estimate on paper and photograph it together with the object.
Geometry collage
Find a triangle, a square, a circle and a hexagon, all within a few minutes' walk. Photograph each one and lay the photos out side by side. Bonus if all four fit in a single shot.
Half my height
Find an object that is exactly half the height of one of your team members. Use the team member to compare. Photograph the team member next to the object so the comparison is clear.
One-minute people count
Pick a busy spot where people walk past. Set a timer for one minute and count exactly how many people walk by. Write the number down and photograph the spot.
Quiz: Triangle angles
If you add up the three inside angles of any triangle, what number do you always get?
Repeating pattern
Find a repeating pattern (tiles on the floor, bricks in a wall, fence posts, paving stones). Photograph it and count how many times the pattern repeats in one meter (use your shoe as a rough ruler if needed).
Step counter
Pick two landmarks (a tree to a lamppost, a door to a corner). Count exactly how many steps it takes you to walk from one to the other. Write the number down and photograph it with both landmarks in shot if you can.
Team math finale
As a team, hold up paper signs with numbers that add up to your team size (or that solve a small equation you came up with). Take a final team photo with all signs visible.
Three circles
Find three perfect circles (a clock, a manhole, a wheel, a coin). Photograph them. Squares with rounded corners do not count.
Three triangles
Find three triangle shapes around you (a roof, a road sign, a piece of architecture, a fence). Photograph all three side by side or one after the other.
Time the traffic light
Find a traffic light. Time exactly how many seconds the green light stays green for cars. Repeat once to check. Write the number of seconds and photograph the light.