The colored circles help pupils to understand sets and analyze 2-condition relationships with Venn diagram made with 2 circles, or 3-condition relationships with Venn diagram made with 3 circles.
"In September 2007, through a generous collaboration between The Rockefeller Foundation, Teachers College and HBO, 30,000 copies of a new curriculum package addressing the issues of citizenship, race, class and poverty raised in the aftermath of…
The object: Players form interlocking words, crossword fashion, on a board using letter tiles of different values. Each player competes for high score by taking advantage of the letter tiles, as well as the premium squares on the board