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Blockout

Game Board

Blockout - Polypad - Mathigon
Virtual Manipulatives for Mathematics Classrooms: polygons, number and algebra tiles, fraction bars, tangram, pentominoes, and more.
https://mathigon.org/polypad/skQ126PUTJFDJA

Rules

  1. Players take turns rolling two dice, and creating a rectangle on the game board with side lengths given by the two numbers they rolled. For example, if you roll a 3 and a 6, place a 3 by 6 rectangle on the gird
  1. Rectangles cannot intersect or be contained in any previously drawn rectangles. If a player cannot add a rectangle to the board on their turn, the next player takes their turn. If all players pass in a row, the game is over.
  1. Players get a point for each square they’ve drawn a rectangle around. For example, a 3 by 4 rectangle is worth 12 points. Whoever boxes the most squares wins.

Blockout can be played individually or in groups.

Video Overview

Play Here

Further Reading

For more about using Blockout in the classroom, visit https://mathforlove.com/lesson/blockout/