245. Grade 1 icon

Ford and Logan Add 45+36

Illustrative MathematicsVaries

This task was designed to give students opportunities to solve a problem and analyze other student's solutions while working on adding two-digit numbers. Students will explore strategies based on place value and properties of operations as they solve 45+36 and explore two additional solution strategies. Through a class discussion, the teacher can support students in understanding that numbers can be decomposed by place value and like units can be combined (tens added with tens, ones added with ones). Two representations are provided, connecting concrete models or drawings with a more abstract representation using numbers.

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