Thursday, 7 June 2012


The add to 10 and 100 grids came from Counting On, originally, and I use them in my Peer Numeracy roll call. In add to 10 you cross off pairs of numbers that total 10 (anywhere on the grid) and at the end there will be one number left - the solution to that grid. In add to 100 you circle pairs or sets of three numbers (adjacent this time) that total exactly 100.

Other versions I've made include complementary and supplementary angles, and equivalent fractions.

I like these grid activities when I want something more puzzle-like, but still easy and still in-your-seat for groups that struggle with less-structured or more complicated games.

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