The skills needed to estimate and assess the reasonableness of answers to real life problems need specific teaching. Use this lesson with 15 teaching slides, followed by the attractive worksheet activities. The lesson, reminds students how to estimate a single number by rounding, then works through two examples of estimating answers to calculations.
The worksheet problems require students to estimate answers to problems that include addition and subtraction of whole numbers and decimals.
There are three worksheets, A, B and C with 5 problems on each.
Alternatively you can print the worksheets on card and cut into problem cards for group activities.
Answers show suitable rounded values for the measurements as well as the estimate.
Three versions included:
International version has $ and metric units.
UK version has £ and metric units.
US version has $ and US units.
Suited to ages 11 to 99.
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