Categorizing Bad Rulers (subtraction, combinations)

Categorizing Bad Rulers (subtraction, combinations)

Categorizing Bad Rulers (MathPickle, 2021) Our factory is a bit lazy. When making a ruler we only make some of the notches. Such a ruler is either BAD or TERRIBLE. Is the ruler with notches at 0-2-5-7 BAD or TERRIBLE? With BAD rulers, choosing any two marks gives a...
Multiplicative Bingo (probability, factoring)

Multiplicative Bingo (probability, factoring)

Multiplicative Bingo (MathPickle, 2012) This is a great game to teach factoring and probability. Students should already be comfortable with the multiplication of two numbers 1-6. Teaching is an experimental science. Don’t expect to be a great teacher your first...
Bumpy Wheel (multiplication)

Bumpy Wheel (multiplication)

Bumpy Wheel (MathPickle 2022) Bumpy Wheel is a two-player game. Setup: Put an even number of dots in a circle. Copy this pattern so both players have it.  Rules: 1) On your opponent’s dots: Secretly place consecutive integers starting at zero. They can...
Kitchen Tile War (counting, comparing)

Kitchen Tile War (counting, comparing)

Kitchen Tile War (MathPickle 2022) Grade 2+ tiling puzzle. Teaches students organization and presentation of their ideas. Some grade 2 students will have dexterity issues in trying to draw these tiles, but the mathematics of comparing the sizes works well for them....