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Curated OER

Properties of Polygons, Parallel Sides, and Right Angles

For Students 2nd - 4th Standards
Have fun with shapes! Third graders read a set of instructions and circle the shape in the description. They work on recognizing parallel sides and right sides. Use this resource as homework after your geometry lesson.
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Worksheet
Curated OER

Square Corners

For Students 2nd - 4th Standards
Are these angles greater than, less than, or equal to a square corner? Using a visual guide, young geometers label 16 angles into one of these three categories. Use this before introducing the terms acute, obtuse, and right angle, but...
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Worksheet
Curated OER

Angles: Greater Than, Less Than or Equal To 90 Degrees?

For Students 3rd - 4th
In this angles worksheet, students check the correct box, identifying angles as either greater than, less than or equal to 90 degrees. A reference web site is given for additional activities.
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Worksheet
Curated OER

Greater Than, Less Than, or Equal to #1, #2, #3, #4

For Students 2nd - 3rd
In these four comparing numbers worksheet, students determine if the pair of numbers are greater than, less than, or equal to and use fill in the blank with the correct symbol. Students solve 120 problems.
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Lesson Plan
Curated OER

The Price Is Right - TV Game Show

For Teachers K - 5th
Students play variation of TV game show "The Price is Right" to identify coins and their values.
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Worksheet
Curated OER

Classifying Angles: Greater Than, Less Than, or Equal to 90 Degrees?

For Students 2nd - 4th
In this angles worksheet, students analyze four angles. For each angle, students decide if it is greater, less than, or equal to a right angle. Students check the correct box.
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Lesson Plan
Curated OER

Unequal Groups vs. Equal Groups

For Teachers 3rd
Third graders create their own chenille stems to use during this and future lessons. As a class, they discuss the difference between equal and non-equal groups. In groups, they brainstorm a list of items that come in groups of two,...
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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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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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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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Worksheet
Curated OER

Balanced Scales Enrichment 13.7

For Students 3rd - 4th
In this standard weights worksheet, students write a weight from the box on each pan of the scales so that the weights on each scale are equal and all the 8 scales are balanced. The equal weights will have ounces and pounds.
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Worksheet
Curated OER

Compare Numbers

For Students 3rd - 4th
In this number comparisons worksheet, students compare the given sets of numbers by writing the greater than, less than or equal to sign. Students also complete two comparison word problems.
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Worksheet
Curated OER

Share Equally Practice 19.5

For Students 2nd - 3rd
In this beginning division worksheet, learners solve 4 problems in which counters are divided evenly into groups. Students solve the basic division problems by drawing pictures.
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Lesson Plan
Curated OER

Triangles

For Teachers 3rd - 5th
This unit enables scholars to apply the rule for area of a triangle (area equals half base times height). They practice multiplication and division strategies as they calculate areas.
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PPT
Curated OER

Partitive Division

For Teachers 3rd - 4th
Partitive division is when you divide a set of objects equally one-by-one. This presentation shows how six items can be divided into three boxes equally. After the concrete division process is complete, the equation is shown along with...
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Worksheet
Curated OER

It All Adds Up: Puzzle #11

For Students 3rd - 4th
In this addition puzzle worksheet, students fill 10 blanks in the rows and columns of a puzzle grid. Students add across and down; sums must equal the number given at the end of each row. Students may not repeat any digits in a row or...
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Worksheet
Curated OER

It All Adds Up- Math Square Puzzle

For Students 3rd - 4th
In this addition puzzle worksheet, students solve a math square in which rows and columns are added to equal the number provided at the end of each row. Students insert the digits in the puzzle to make correct addition sentences.
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Worksheet
Curated OER

It All Adds Up Puzzle #27

For Students 3rd - 4th
In this addition puzzle worksheet, students complete a 12 space addition square in which all rows and columns add up to equal the numbers given. Students fill in the missing addends.
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Worksheet
Curated OER

It All Adds Up Puzzle #13

For Students 3rd - 4th
For this addition puzzle worksheet, students complete a 12 space grid in which rows and columns equal the numbers given. Students supply the missing addends.

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