![]() Misconceptions about large numbers are some of the most persistent and troublesome bits of misinformation. This activity seeks to correct that deficit by giving students a physical model for the concepts of thousand, million, billion, and trillion – without too much tedious counting! ![]() Worse yet, they have no fundamental grasp of large numbers to help them understand the ideas being debated on their behalf. When we listen to legislators discuss state or national budgets on the news, or when we see a local bond measure to allocate millions – even billions of dollars to a project like a bridge, highway, or a railroad line, most people don’t understand how much money we are talking about. Why then is it important to understand big numbers? Although most of us are not professional scientists, very large numbers touch our daily lives in many ways – money is the most common. If you teach in the K-8 classroom, you may know that most of your students will not become scientists.
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