Five problems provide practice for learners to find the area of a circle given the distance of the radius. Answers on the key use pi as a variable and do not include fully computed numeric answers. To reinforce basic multiplication facts...

Geometers find the area of four circles given their circumferences. Circumference is presented in the form of "numeral (diameter) x pi"; the answer key shows solutions as  "numeral (radius squared) x pi," so computation is...

In this subtraction with regrouping lesson, 3rd graders do math computation to find the answer to 9 subtraction problems up to the hundred thousand place. 

How can we estimate the answers when working with decimals? That's what the question is as the class reviews two-digit decimal addition. Have them estimate by rounding to a whole number either before or after they have completed their...

In this addition and subtraction worksheet, students solve a set of nine two-digit addition and subtraction problems. Once finished computing, they color spaces with even-numbered answers blue and odd-numbered answers purple, then color...

All 20 of the problems on the worksheet involve the computation of cubic volume or density. As long as your young scientists can apply the appropriate mathematical formulas, they will succeed in solving these problems. They are not...

Start the day with four simple mass problems. These problems have learners determining who weighs more, comparing masses, and computing an amount given a base weight. This presentation would also work nicely at as extra credit.

Arrays are a visual way to practice multiplication and division. Using one of these twelve array picture cards, learners write a multiplication word problem describing what they see. After also recording a multiplication number sentence,...

A brief addition word problem has learners searching for the missing addend. They read about Mr. George, who already has five gallons of fuel in his car. Knowing the car can hold eleven gallons, they compute how many gallons he needs....

What are the chances of getting your favorite flavor in your fruit snack package? Have your class use the given information to compute their own experimental data using the multiplication rule of independent events and compare it to the...

How can 5th graders show understanding that 30 x 225 is half of 60 x 225 without completing the computation? They can use an area model and draw it out. An array, or an open array, is an area model that allows for young learners to...

This short handout addresses the concept of slope in two different ways: geometrically and analytically. Start with a brief description of slope, then use graphical representations to compare positive vs. negative slope and zero vs....

Four triangles are depicted for learners to construct on a geoboard. They compute and compare the areas, and so meet one of the sixth grade Common Core standards for geometry. Note that the set of triangles does not include a right...

This activity consists of three exercises in which learners sketch the graphs of various power functions on the same axes. They use their sketches to make comparisons and observations which lead to generalizations about the graphs...

Hydrologists create a concept map about how water is used and a sentence strip defining water and describing its unique properties. Small groups work together to fill a small milk carton and compute the mass of water inside. The next...

Geometers construct a mobile or ornament using nets of three-dimensional polyhedrons. Not only do they need to compute the volume and surface area of each figure, they also earn points for creativity, neatness, and more!

In this 2D wavelet transform worksheet, students compute 9 different types of problems related to using wavelets. They select a set of orthogonal filters, load in any image they want, and compute by the given command. Then, students...

Students explore circumferences, diameters, and radii. In this math lesson plan, students measure circumferences in inches and compute radii and diameters, given different circumferences.

Students prove conjectures about geometric figures on the plane or in space using coordinate geometry. They develop fluency in operations with real numbers, vectors and matrices using mental computation or paper-and-pencil calculations...

Sixth graders compute the surface area. For this surface area lesson students are given a set of problems to calculate. They compute the surface area of cubes and rectangular boxes.

Students calculate simple area calculations in real-life situations. They determine simple wage computations. They use critical thinking skills. They demonstrate their ability to use writing in order to express mathematical thoughts and...

Students role-play expert witnesses in a mock trial dealing with contamination of groundwater. They prepare for the role-play by studying the movement of groundwater and the transport of contaminants through computations, map exercises...

Students study operations with real numbers using mental computation or paper-and-pencil calculations. They judge the reasonableness of numerical computations and their results. They set up and solve proportions for direct and inverse...

Students compute measures of central tendency.  In this range, mean, median and mode lesson plan, students gather information on the internet, organize the data and then compute the measures of central tendency.  They create a...