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Lesson Plan
Curated OER

Plenty of Pythagoras

For Teachers 5th - 8th
Using a twelve foot knotted rope, students form a 3-4-5 right triangle. Following a discussion of observations about the lengths of the sides of the triangle, students use grid paper, scissors and a centimeter ruler to draw and measure...
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Worksheet
Curated OER

Pythagorean Theorem Homework

For Students 9th - 10th
In this Pythagorean theorem worksheet, learners determine if given side lengths for right triangles, find the length of the missing side in right triangles, and find the length of the diagonals formed in boxes given side lengths.
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Worksheet
Curated OER

Measure Angles: Greater Less Than or Equal To?

For Students 5th - 6th
In this measuring angles worksheet, students determine whether given angles or more than, less than or equal to 90 degrees. 
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Lesson Plan
Curated OER

Angles - Unlocking Geometry

For Teachers 3rd - 5th
Students investigate the concept of angles and how they are used in geometry. They construct polygons using various types of angles and then classify them according to their physical properties. Students use a computer program in order...
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PPT
Curated OER

Greta and Lester Gator

For Teachers 1st - 2nd
A cute story about Greta and Lester (Greater Than, Less Than) Gator is here for your young mathematicians. They will view a story about two hungry Gators who fall in love. Eventually, they begin to eat. Of course, the alligator always...
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Worksheet
Curated OER

Greater Than, Less Than, or Equal to Ten

For Students 1st - 3rd
In this comparing numbers review worksheet, students complete 100 number statements by adding greater than, less than, or equal to symbols.
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Lesson Plan
Curated OER

Rallytable Angle Measuring

For Teachers 6th - 10th
In this geometry worksheet, students measure various angles. First, they write what type of angle each one is, whether right, acute, or obtuse. Then students estimate the measurement and then write the actual measurement for each angle.
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Lesson Plan
Curated OER

Classifying Quadrilaterals

For Teachers 4th
Fourth graders select the Quadrilateral Quest game, they find all quadrilaterals with the given properties. They are told that the word congruent in this game means equal. Students are given two to four properties of quadrilaterals. ...
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Worksheet
Curated OER

Equivalent Fractions Worksheet 3, Level 4

For Students 4th - 6th
In this recognizing equal fractions worksheet, students convert given fractions into equivalent fractions and determine the correct uncommon fractions of equal value. Students choose 12 multiple choice answers. 
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Worksheet
Curated OER

Equivalent Fractions Worksheet 1, Level 5

For Students 4th - 6th
In this determining fractions with equal values activity, students read fractions and choose their equivalent fractions with uncommon denominators. Students choose 12 multiple choice answers.
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Worksheet
Curated OER

Share Equally

For Students 1st - 2nd
In this beginning division worksheet, students solve 5 problems in which object are divided evenly. Students use objects and bowls to divide evenly.
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Lesson Plan
Curated OER

Proof of the Pythagorean Theorem Using Transformations

For Teachers 9th - 12th Standards
Middle and high schoolers construct a triangle using Cabri Jr. They construct squares on each of the legs and hypotenuse of the triangle. Pupils show that the area of the squares on the leg equal the area of the square on the hypotenuse.
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Worksheet
Curated OER

Robot Math

For Students K - 2nd
In this robot math worksheet, students cut out and color all the legs and arms on three robots. Students match the arms and legs to the right robot by doing the math problems on the arms and legs. Students are given three extra robots to...
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Interactive
Shodor Education Foundation

Squaring the Triangle

For Students 8th - 12th Standards
Teach budding mathematicians how to square a triangle with an interactive that shows a graphical proof of the Pythagorean Theorem. Pupils alter the lengths of the legs using sliders. Using the inputted lengths, the applet displays the...
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Worksheet
Curated OER

Triangle Similarity

For Students 10th
In this triangle similarity learning exercise, 10th graders solve and complete 12 different problems that include defining similar and 3 similar statements using only sides and angles. First, they determine if each pair of triangles...
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PPT
Curated OER

Classifying Triangles

For Teachers 3rd - 5th
If you're looking for a presentation to assist you in your teaching of triangles, this one could be for you. In it, learners are shown how triangles are classified by the size of their angles and by their sides. These are tricky concepts...
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PPT
Curated OER

Multiples of Ten

For Teachers 1st - 3rd
Here is a presentation that helps young mathematicians hone their skills when counting by tens. The presentation also reviews the concept of using the greater than and less than symbols when comparing numbers. Most of the slides have...
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Lesson Plan
Exploratorium

Exploring Pattern Blocks

For Teachers 3rd - 5th
Here's a great lesson that uses one of the best manipulatives there is: pattern blocks. Elementary schoolers must fill in a variety of shapes using specific amounts of pattern blocks. This forces them to do some spatial mathematical...
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Lesson Plan
Curated OER

Jon and Charlie's Run

For Teachers 3rd - 5th Standards
Let's use math to solve an argument. Jon and Charlie are debating about who can run farther, but who is right? That's what your class will figure out as they apply their understanding of fractions to this real-life situation. A simple,...
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Lesson Plan
Curated OER

Doughnut Race

For Teachers K - 5th
Pupils will practice math facts in this fast-paced and fun "Doughnut Race." This fun activity has learners practice their math facts in a face paced game environment. It can be adapted to all mathematical operations by using a poster...
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Lesson Plan
Curated OER

Comparing Fractions with a Different Whole

For Teachers 3rd - 4th Standards
What was Bryce's mistake? Through analysis of a student work example, learners develop their own ability to compare the fractions one fourth and one half. Central to this activity is the concept that, when comparing fractions, the whole...
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Lesson Plan
1
1
Illustrative Mathematics

Puzzle Times

For Teachers 6th - 7th Standards
Give your mathematicians this set of data and have them create a dot plot, then find mean and median. They are asked to question the values of the mean and median and decide why they are not equal. Have learners write their answers or...
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Organizer
Curriculum Corner

Winter Multiplication and Division Problem Solving Task Cards

For Students 4th - 6th Standards
A set of 18 winter-themed multiplication and division word problems is perfect for your math centers right before the holidays. Each problem is numbered and represented on a task card. Young mathematicians write their answers on a...
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Lesson Plan
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1
Teach Engineering

What Floats Your Boat?

For Teachers 7th - 9th Standards
Clay's as good a material as any to build a boat, right? An introductory lesson sets the stage for two activities associated with buoyancy. The first involves building boats out of clay, while the second uses these boats to measure the...

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