Arithmetic Grade One

Lesson One hundred sixty-nine: Grid Addition


Grid Addition


  




NOTE: Show the student how to use the grids to solve these problems. Make a few more of these problems and help the student solve them. Explain that the left column is called the TENS column and that the right column is called the ONES column and that the values in these correspond to the bars of tens (for the TENS column) and the cubes (for the ONES column).


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