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  • Krista-Lynne Edwards

    November 7, 2020 at 6:19 pm

    Mork the cat had 10 kibbles in his dish. Wilbur the cat ate some kibbles are there are 3 kibbles left. How many kibbles did Wilbur eat?

    The subtrachend is missing in this problem.

    I really like the idea of introducing the balancing scale in early elementary.