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 103, 140, 133 and 139.
One of the estimates was nineteen out, one was twenty out, one was seventeen out and the other estimate was thirteen out.
How many buttons were in the box?
Topics: Starter  Estimating  Problem Solving
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