How do the area and perimeters of circles and squares compare? A clever video illustrates the change in the area of a circle and square while their total perimeter stays the same. The task is for learners to predict the point where the...

In this calculations worksheet, students express numbers in scientific notation and determine the number of significant figures. Students find conversion factors to change units. This worksheet has 8 word problems.

In this estimation worksheet, students estimate 7 given fractions to the nearest whole number. Answers are included on page 2.

Students estimate the total cost of a shopping trip. In this estimation lesson, students use three different techniques to estimate how much a shopping trip will cost.

Fourth graders round to the thousands place using a rhyme.

In this online math problems worksheet, students complete a variety of exercises including finding the missing numbers in eight math problems, two money and estimation calculations and estimating the difference in ten math problems by...

Students study math. In this real-life problem solving lesson, students work on their skills dealing with time and money. They work in small groups on various time and money word problems and by the final day they have a final problem...

Students participate in a measuring scavenger hunt. Students choose items around the room to estimate and measure. Students try measuring with their hands and compare with other students who did the same. Students discuss why their...

Students find patterns relating the lengths of the sides of squares to their areas. In this squares and square roots lesson, students draw squares and find their areas. They estimate the sides of square when given the area. Students use...

Fourth graders give change of one dollar.  In this decimal and fractions lesson, 4th graders receive fake coins and discuss what they could purchase with them.  Students go for a walk and spend one dollar and  get...

In this number sense worksheet, 5th graders solve 37 problems based on a given number. Students are asked to round the number, identify the number as even or odd and add 100 to the number.

Learners analyze the monetary cost associated with smoking. Students use statistics to determine life expectancy and cost associated with smoking.

Students identify geometric shapes, demonstrate construction of an object graph, compare sets of objects, estimate which student has the most geometric shapes in his or her bag, and play computer game Jump Start Kindergarten.

In this rounding to the nearest ten worksheet, students read numbers and write the nearby tens in the box next to them. Students solve 20 problems.

Students estimate measurements in real world problem situations. In this estimation lesson, students read the book Pancakes, Pancakes and estimate how many cups equal a pint, quart, and gallon. Students test their estimations by...

In this consumer math worksheet, students estimate and then multiply the given money amounts. Students also practice finding change. There are seven problems to complete.

Students perform an experiment to find the dew point at ground level and then make a chart to determine where a cloud would form.

Fifth graders, after being given a variety of word problems to solve, find patterns to solving 3 out of 4 times. They break it down into smaller parts 3 out of 4 times and tell the method of solving 3 out of 4 times. Students complete...

Sixth graders investigate estimating. In this estimating lesson, 6th graders estimate how much rice is eaten around the world. Students estimate the percentages of rice eaten by other countries. Students compare rice production to...

In this rounding activity, students round a set of 10 numbers to the nearest ten thousand, then answer 4 related rounding questions. Answers are included on page 2.

In this math worksheet, students examine the concept of floating point arithmetic. They compare the tools of chopping and rounding to measure accuracy.

In this decimal estimation worksheet, students estimate a set of addition and subtraction problems, rounding to the nearest whole number, then place each problem in the box that contains its estimated sum or difference.

Students challenge "common knowledge" against newly learned estimation strategies and put those strategies into use. They consider variables in estimating different groups of objects and practice skills of representing numbers.

In this estimation worksheet, learners estimate numbers of items shown in pictures, then circle given groups of items, count and write totals.