Solve and invent puzzles that use clues and a grid to work out who owns what.
Use a grid and elimination to solve a logic puzzle, then write a puzzle for a friend.
Act out handshakes with friends and discover the pattern behind counting pairs.
30 to 45 min · 4 materialsView projectPlace the numbers 1 to 9 in a grid so every row, column and diagonal adds to the same total.
30 to 50 min · 3 materialsView projectCut a tangram puzzle into seven pieces and rearrange them to make animals, houses and shapes that share the same area.
30 to 45 min · 3 materialsView projectUse rows of counters to see multiplication, and discover why 3 times 4 equals 4 times 3.
30 to 45 min · 3 materialsView projectFold paper strips into halves, thirds, fourths and more, and use them to compare and match fractions.
35 to 55 min · 5 materialsView projectFind the shape of rectangular garden that gives the most room when you have a fixed amount of fence.
40 to 65 min · 5 materialsView projectEduVistaHQ.com · Learn • Explore • Grow