koa1 Worksheets
Operations and Algebraic Thinking
Understand addition as putting together and adding to, and understand subtraction as taking apart and taking from.
1Represent addition and subtraction with objects, fingers, mental images, drawings, sounds (e.g., claps], acting out situations, verbal explanations, expressions, or equations.
koa1
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- Match a picture of objects to the addition sentence that shows the same total.
- Count items in two groups and add them to find how many there are altogether.
- Use the plus sign and equals sign to understand that two different-looking equations can mean the same thing.
