Use fun data sheets to help student track their mastery of 2.OA.2. - fluently adding and subtracting within 20 using mental strategies. Students use these gumball sheets to track their mastery of addition and subtraction facts within 20 by coloring in each gumball after they've mastered those facts. I’ve included colored as well as black and white versions of a gumball data sheet for students to record their addition and subtraction fact mastery.
These can be used in a data folder or binder. They can also used these as a bulletin board. If page protectors are stapled to the bulletin board, students can slide their data sheet out of the page protector each time the need to record their mastery of a set of facts. Mini-certificates are also included to give students as they master each set of facts.
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