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 159, 157, 175 and 182.
One of the estimates was fourteen out, one was eleven out, one was nine out and the other estimate was seven out.
How many buttons were in the box?
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Teacher, do your students have
access to computers?
Here a concise URL for a version of this page without the comments.
Here is the URL which will take them to an interactive estimating activity.