Decide whether a route can cross every bridge once and discover the rule that solves every such puzzle.
Investigate which networks can be traced without lifting the pencil and discover the odd vertex rule.
Discover systematic ways to count arrangements and selections, and use them to solve olympiad-style problems.
50 to 80 min · 3 materialsView projectDiscover why you can test for divisibility by 3 and 9 by adding digits, and prove it.
45 to 75 min · 3 materialsView projectDraw polygons on dot paper, count points, and discover a formula for area using only dots.
50 to 90 min · 4 materialsView projectMake secret messages with a Caesar cipher and crack coded messages using letter frequency.
40 to 70 min · 4 materialsView projectExplore arithmetic that wraps around like a clock and use it to solve remainder and last digit puzzles.
50 to 80 min · 3 materialsView projectMeasure pulse before, during and after exercise and analyze how fast the body recovers.
40 to 60 min · 5 materialsView projectEduVistaHQ.com · Learn • Explore • Grow