Extra Challenge
Students work in pairs to subtract two digit numbers. Partner A places a counter on any space on the chart. Partner B picks two cards and moves the counter back the corresponding number of spaces, writing the missing number wherever they land. Play continues until the counter reaches the start of the chart. Partners switch, with partner B choosing a new starting number. The goal is to fill in as many missing number as possible.
Cards
Link to Partially Filled Hundred Chart
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