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Lesson Plan
Curated OER

What's Your Angle?

For Teachers 6th - 8th
Middle schoolers devise procedures for using a protractor to measure the number of degrees in an angle. They use inductive reasoning skills to construct their own method for effectively using the protractor to measure angles, as well as,...
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Lesson Plan
Curated OER

Ice is N"ICE"!!

For Teachers K - 2nd
Students observe and describe, both orally and in writing. the different forms of water on the surface of the Earth and measure the approximate size of an iceberg. They also estimate and measure the amount of ice that floats above the...
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Lesson Plan
Curated OER

Maps

For Teachers 5th - 10th
Students figure out the mileage from one state to another using a map. In this map lesson, students look at the scale factor and turn it into a fraction. They measure the distance between two cities and use the proportion to find the...
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Lesson Plan
Pennsylvania Department of Education

Fractions of a Set

For Teachers 6th - 8th
Students explore number sense by completing a number set worksheet. In this fractions lesson, students utilize pattern blocks as a visual reference to the fractions they practice identifying. Students read the book Clean-Sweep Campers...
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Lesson Plan
Curated OER

Christmas Presents

For Teachers 7th
Seventh graders create a graph of their Christmas gifts. They develop categories, compute fractional and decimal parts for each category, identify the number of degrees to represent each fractional part, and create a circle graph to...
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Lesson Plan
Curated OER

Comparing Fractions

For Teachers 5th - 7th
Students use the assistance of computers to explore reducing fractions. Using various internet activities, students experience comparing and ordering fractions. They develop methods to estimate the value of fractions.
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Lesson Plan
Curated OER

Radioactive Decay

For Teachers 9th - 12th
Students generate a radioactive decay table for an imaginary element, use their data to plot a decay graph, develop the concept of half-life, and use the graph to "age" several samples.
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Lesson Plan
Curated OER

Liquid Measurement

For Teachers 3rd
Third graders investigate liquid measurements by estimating how many cups it takes to fill containers. The students predict the liquid measurements and then find the actual amount using the water in a bucket. Students then compare...
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Worksheet
Houghton Mifflin Harcourt

Explore Customary Units of Length - Reteach 12.1

For Students 3rd - 4th Standards
By now your class most likely has experience using a ruler, but they may not have learned to measure length to the quarter inch. This handout begins by explaining how, and then gives learners an opportunity to estimate these more...
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Worksheet
Fuel the Brain

Cupids Estimation

For Students 2nd - 4th
Learners use candied hearts to estimate how many will fill the heart on the Valentine's Day themed page. They then do a final count after they have finished the estimation activities.
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Lesson Plan
Curated OER

Vegetable Creatures

For Teachers K - 5th
Students use different foods to enhance academic skills in all area contents.  In this food activity lesson, students use food, such as "bugs on a log" (raisins on peanut butter celery) to estimate and practice multiplication.  Students...
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Lesson Plan
Curated OER

Speed of Sound

For Teachers 6th - 12th
Students examine the phenomenon of sounds traveling slower than light. They discover why they see things before they hear them and how to estimate the speed of sound as homework.
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Lesson Plan
Curated OER

Math Jeopardy: Basic Skills

For Teachers 7th - 8th
Students play a PowerPoint activity to be used as a review of basic skills for order of operations, and the operations of addition, subtraction, multiplication, and division for whole numbers, some fractional numbers and integers....
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Lesson Plan
Curated OER

Decimal Notation for Pennies and Dimes

For Teachers 2nd
Second graders write money in decimal form. In this money lesson, 2nd graders discuss the value of coins and find the placement of the decimal in writing the amount. They find the fractional parts of coins in a dollar. 
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Lesson Plan
Curated OER

The Giving Tree-Apple Activities

For Teachers All
Students complete a variety of activities about apples. They read The Giving Tree and discuss the moral of the story. They create paintings with apples and have apples as a snack. They make an apple cookbook and estimate the number of...
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Lesson Plan
Curated OER

Pea+Nut = Math

For Teachers 2nd - 6th
Students utilize peanuts to practice fractions.  In this math model lesson, students solve multiplication problems and fractions with real peanuts.  Students use drawing software to graph data from the math equations.
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Lesson Plan
Curated OER

Get In Line!

For Teachers 9th - 12th
Learners compare and order fractions and decimals using a number line. They use rules of conversion to determine equivalencies competing problems accurately and plot points on the number line that represent the correct order of the...
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Lesson Plan
Curated OER

Getting Better at Guessing

For Teachers K - 2nd
Young scholars, 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.
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Lesson Plan
Curated OER

Decimals: Collaborative Lesson

For Teachers 5th - 6th
Students explore mathematics by participating in a group activity. In this number value lesson, students identify the uses for decimals and how to best estimate whole numbers based on decimals and fractions. Students collaborate with...
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Lesson Plan
Curated OER

Cutting the Wood

For Teachers 9th - 12th
High schoolers demonstrate and describe the effect of multiplying or dividing by a fraction less than or greater than one. They create and explain a variety of equivalent ratios that represent a given situation. Students draw a picture...
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Lesson Plan
Curated OER

Waste Audit

For Teachers 6th - 12th
Students engage in a lesson that is concerned with the concept of mental math. They perform calculations as following: recognizing a half, three quarters, and tenths. Students are also challenged to extend skills to making calculation...
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Lesson Plan
Curated OER

Mystery Stars: Estimating Whole Numbers Using Fractions Shown on Sectors of a Circle

For Teachers 4th - 5th
In this set of fraction worksheets, students cut out 6 pages of circles that show fractions with stars covering different sections of circles. They show one section of the circle in order to estimate the whole number of stars by looking...
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Lesson Plan
Curated OER

May Earth be Revolving around the Sun?

For Teachers 9th
Ninth graders explore how Aristarchus used the position of the half-full Moon to estimate the distance to the Sun, and how he made a great error, but still figured out that the Sun is much larger than Earth.
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Lesson Plan
Curated OER

Waste Management

For Teachers 4th - 12th
Students set up a recycling program in their school. They first estimate the kinds and amount of trash generated and brainstorm ways to reuse the recyclables and create flyers explaining how their program will work at the school.

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