Curated OER
Estimated Quotients Are Too Large or Too Small
In this division instructional activity, 5th graders use division to find batting averages in 6 word problems. They divide the number of hits by the number of times at bat to find the quotients.
Curated OER
Subtracting Two- and Three-Digit Numbers
In this subtracting two- and three-digit numbers worksheet, students, with a partner, problem solve and calculate the answers to fourteen subtraction equations.
Curated OER
Accuracy of Calculations
In this accuracy of calculations worksheet, students solve and complete 4 different types of problems. First, they estimate the solution of the calculations shown. Then, students find the maximum and minimum possible values for each...
Curated OER
Adding Two- and Three-Digit Numbers
In this adding two- and three-digit numbers worksheet, students, with a partner, problem solve and calculate the answers to eight mathematical word problems and equations.
Curated OER
Guess The Weight
For this weight learning exercise, students match pictures of products with their correct weights given, 11 total. An answer key and reference web site are provided.
Curated OER
Guessing Jar
In this guessing jar worksheet, 1st graders write down their guess for how many marbles are in the jar, then count and record the answer, and complete 3 sentences about the numbers.
Curated OER
Estimate and Count
In this estimate and count worksheet, students examine 4 sets of objects. Students record an estimate for each set and then record the actual count for each set.
Curated OER
What Can You Do In One Minute?
In this timing worksheet, students discover what tasks can be done in one minute. Students solve 5 problems in which they time themselves for one minute doing different tasks such as: building a cube tower, keeping a ball up in the air,...
International Technology Education Association
Sizing Up the Clouds
How much rain can that cloud make? Through a simulation, the class estimates the amount of candy rain contained in different cup clouds. After probing the clouds using different methods, class members adjust their estimates. Participants...
Teach Engineering
Show Me the Money
Class members learn how to estimate the total costs involved to design and build a bridge by including design, material, equipment, and labor costs. The activity includes a discussion about the trade-off between cost and aesthetics.
Curated OER
The Babylonian Algorithm, Limits and Rates of Change
For this successive approximations worksheet, students use the Babylonian algorithm to determine the roots of given numbers. They identify the limits of a function, and compute the rate of change in a linear function. This two-page...
Curated OER
Circles and Cylinders
In this circles and cylinders worksheet, 10th graders solve and complete 22 various types of problems. First, they collect data for a radius and circumference for several different circles and calculate the quantity. Then, students find...
National Council of Teachers of Mathematics
Improving Archimedes' Method
For this Archmides' method instructional activity, students determine the area of a regular n-gon inscribed in a circle. They use sine and cosine functions to solve problems. This three-page instructional activity contains 4...
Curated OER
Inches and Feet
In this inches and feet worksheet, students, with a partner, estimate and measure the answers to five word problems dealing with inches and feet.
Curated OER
Graphs
In this graphing activity, students read information and study diagrams about graphing. Students complete 3 graphing activities.
Curated OER
Problem-Solving Skill: Is an Estimate Enough?
In this problem-solving skills worksheet, students learn how to determine whether or not an estimate is enough when solving a problem. They then use this skill to solve the 2 questions at the bottom of the page.
Curated OER
By the Numbers?
In this counting worksheet, students read about counting and when it is appropriate to find an exact count of something, versus counting by ten to find an estimate. They then read 10 items that can be counted and indicate whether they...
Curated OER
Learning the "REAL" Phe Content of Foods
For this portion size worksheet, students estimate the portion size, weight and amount of phe for 8 different foods before weighing each food in grams. Students answer 10 essay questions about nutrition and portion size. This worksheet...
Math Aids
Math Aids: Estimation Worksheets
Great resource to practice and strengthen math skills pertaining to estimation. Math worksheets are printable, may be customized, and include answer keys.