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 128, 132, 126 and 151.
One of the estimates was eleven out, one was eight out, one was twelve out and the other estimate was fourteen 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.