Curated OER
Scale Me Down
Students create scale drawings, and ultimately scale models, of real-world objects in this Math lesson about ratios, proportion, scaling factors, and cross products. The lesson includes ideas for cross-curricular extensions and is...
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6-8 Baseball Fun: Percentages, Decimals, and Fractions
Young scholars practice the concepts behind fractions, decimals, and percents by using sports statistics on baseball cards. In this baseball math lesson, students use fractions and estimation to calculate statistics. Young scholars...
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Rounding
First graders round to estimate greater sums. After a lecture/demo, 1st graders complete a web lesson on estimation. They practice rounding to the nearest hundred using a restaurant take-out menu.
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"Homecoming" by Cynthia Voigt
Students use estimation skills to calculate distance traveled and then calculate walking rate traveled in MPH.
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Connecting Measurement
Students participate in activities the connect measurement to geometry, statistics, estimation, and the real world. They collect measurements from their elbow to the tip of their middle finger and make a box plot of the data as well as...
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Dividing by Two-Digit Divisors
In this math worksheet, students collaborate with a "study buddy" or "coach" to learn to divide by 2 digit divisors. Students follow the steps to go through the long division process. There are 4 problems.
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Estimating Sums and Differences
In this math worksheet, students learn to estimate sums and differences by completing step by step exercises. There is one word problem which is the example, and then students can choose from other estimation activities to do with a...
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Measuring Using Leaves
Learners explore geometry by using non-standard measuring methods. In this length estimation lesson, students complete a worksheet in which different objects in their classroom are measured by three different sized leaves. Learners draw...
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The Foot Book
Young scholars use estimation and measurement skills to make predictions and solve problems about length. They also analyze data presented to calculate ratios and percents.
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CATCH, TAG and RELEASE
Students apply estimation strategies for problem-solving purposes. They become familiar with one aspect of a marine biologist's work.
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Number and Number Relations: Lesson 20
Fourth graders locate decimals on a number line. They use number sense and estimation skills with decimals. Students are introduced to percents. They look at fractions on a number line. Students fold a piece of paper to find halves,...
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Understanding Pi.
Students study the relationship between circumference and diameter to come up with Pi. "In this pi instructional activity, students measure, record and find the ratio "circumference/diameter" and their average which is an approximation...
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Twelve Facts About e
In this e worksheet, students are presented with several facts about e and Euler. Students are also given a technique to help them remember the numerical approximation for e.
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Approximating Pi
Students approximate Pi using the lower and upper bound for the constant. In this algebra lesson, students work in groups of two to graph a circle and approximate Pi using the circumference. They repeat their estimation until they come...
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Rounding Decimals to Tenths (A)
In this mathematics activity, learners round the decimal numbers listed to the nearest tenth place. There are 60 problems to solve on the sheet.
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Teaching Radicals in Less Than Five Minutes
Students simplify complex radicals following a specific technique. In this math lesson, students simulate the process using several decks of cards. They explore real life applications of radicals.
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I'll Have an Order of Subtraction Please!
Students explore number values by completing consumer math worksheets. In this math functions activity, students identify the use of a decimal in numbers and the place values that are represented when dealing with money. Students...
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Buying a Car
Pupils complete the PLATO ¿¿ Educational Software lesson: Math Problem Solving: Car Costs to determine if he/she can afford to drive the car they are planning to buy.
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Multiplication Strategies and Writing Story Problems
Third graders model multiplication problems using Unifix cubes. They compute and solve problems involving addition and subtraction of 3- and 4- digit numbers and basic facts of multiplication and division. They practice mental math...
Helping with Math
#6: Addition and Subtraction Equations (2 of 2)
This printable contains 12 basic equations to be solved. The first one is worked out as an example, and the answers for all can be found by clicking on a "Show Answers" box found on the website. The publisher has identified this as...
Helping with Math
#5: Addition & Subtraction Equations (1 of 2)
Single-step addition or subtraction operations are applied in order to solve these 12 simple equations. An answer key is available, not so much for you, but perhaps to be used by learners as a self-correction tool. Note that the...
Curated OER
Measuring Spider Web Angles
In this mathematics instructional activity, students identify that the spiders each used a different angle to create their webs. Then they find out each spider's angle by estimating and measuring.
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Cross Section and Slope
Students draw cross sections of given contour maps. In this math lesson, students interpret the different symbols used in the map. They determine slope and steepness through direct measurement.
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