Students collect sunflower heads from their community garden. They estimate its seed count using different strategies. They graph their estimations on a graph and use calculators to find the actual total.

Students experience large numbers by estimating the number of grass blades in a field. They work in small groups to determine numbers of blades of grass in a small area of a field and apply that to determining the total number of blades...

Students estimate the material needs for a concrete block foundation of a given size, with a given number of openings.

Fifth graders use estimation to solve problems and assess the reasonableness of their answers. They may use an odometer, a map with a legend, MapQuest, or a map without a legen. They estimate 4 to 5 different scenarios.

Students discuss and explore different methods that can be used to estimate from the video. They practice estimation skills by recreating a sample problem from the video. Web sites containing other estimation activities are included

First graders are introduced to the concept of rounding to the nearest ten through the use of a number line created from a hundreds chart.

Pupils get an opportunity to practice estimation skills in a real life situation after a unit on estimation has been taught.

Students estimate and record the number of raisins in a snack-size box. They also graph their results and note the differences (+ or -) from their estimate and actual number.

Learners, in groups, examine a jar of coins to make both 'guesstimates' and estimates. They compare different estimations and complete a journal entry to summarize their findings.