1. Estimate the number of peanuts in this jar.
2. A box contains some buttons. Four people estimate the number of buttons in the box. Their estimates were 147, 130, 142 and 126.
One of the estimates was seven out, one was three out, one was fourteen out and the other estimate was nine out.
How many buttons were in the box?
Topics: Starter  Estimating  Problem Solving
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Here a concise URL for a version of this page without the comments.
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Here is the URL which will take them to an interactive estimating activity.