Diversity City (division, average, geometry)

Diversity City (division, average, geometry)

Diversity City (MathPickle, 2022) In the 1960s Singapore had racial riots and between ethnic Malays and Chinese. The authoritarian government of Lee Kuan Yew solved the problem by mandating social mixing. For example, apartment buildings had to have both Malay and...
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....
ConVexed (clockwise, convexity, word puzzle)

ConVexed (clockwise, convexity, word puzzle)

ConVexed (MathPickle 2021) I’m not used to designing word puzzles, but this one is cute and allows your class to discuss terms like “clockwise”, “counter-clockwise” as well as getting creative and designing your own puzzles. Here is a pdf...
Glue (addition, geometry)

Glue (addition, geometry)

Glue (MathPickle 2021) This geometric square-gluing puzzle is one of my best from 2021. The rules are simple (but probably best seen on the video rather than read): 1) Start with two 1×1 squares labelled “1.” 2) Glue a new square labelled with one...