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Worksheet
Curated OER

Estimate the Number of Cherries

For Students 1st - 2nd
In this estimating instructional activity, learners observe groups of five cherries and estimate the total amount. Students choose one multiple choice answer.
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Worksheet
Curated OER

Estimating Butterflies

For Students 1st - 3rd
In this estimation worksheet, students estimate how many butterflies are in the picture and have 25 or 55 to choose from. Students estimate and eventually count 25 butterflies.
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Worksheet
Curated OER

Estimating Practice

For Students 1st - 2nd
In this number sense activity, students examine the picture and estimate the number of ants in the picture.
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Worksheet
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Estimate Amount

For Students 1st - 2nd
In this estimating the total amount worksheet, students observe a page of apples in groups of two and estimate whether there are twenty-five or eighty apples. Students choose one multiple choice answer.
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Lesson Plan
Curated OER

Telling Time to 5 Minutes

For Teachers 1st - 3rd
Students take part in various activities ranging from creating a human clock, to small group problem solving to reinforce the concept of telling time accurately to five minutes on an analog clock.
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Lesson Plan
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How Tall Is That Flag Pole?

For Teachers 6th - 8th
Students examine various triangles and discuss how similar triangles have sides that are proportional. They utilize an ancient Egyptian method to determine the height of a flagpole.
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Lesson Plan
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The Gingerbread Man

For Teachers 1st
In this unit students use the traditional tale of the gingerbread man as a context for ordering and comparing lengths. They compare the length of two objects directly, order three or more objects by length and select objects that are...
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Lesson Plan
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The Three Bears: Comparing and Ordering

For Teachers K - 1st
Students explore comparing and ordering volume of containers. They use the context of Goldilocks and the Three Bears to compare the volume of various containers by packing or pouring.
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Lesson Plan
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Using Milliliters And Liters

For Teachers 4th - 5th
In this using milliliters and liters worksheet, students, working with a partner, problem solve and calculate the answers to six word problems.
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Lesson Plan
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Arrange the Classroom (Part 1 of 3)

For Teachers 5th
Fifth graders arrange the classroom using all the moveable objects and through the exploration of area and perimeter. They determine the area of the classroom, create and label model pieces of furniture using graph paper, and create a...
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Lesson Plan
Curated OER

Geometry in Nature

For Teachers 6th - 7th
Students examine how the circumference, diameter, and the relationship of Pi of a circle are related. They count the summer rings of a tree to determine its growth.
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Greatest Common Factor and Division

For Students 5th - 8th
In this greatest common factor and division instructional activity, students answer word problems about the greatest common factor and division of numbers. Students complete 10 multiple choice questions.
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Worksheet
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Place Value: Metric System

For Students 6th - 8th
In this metric system worksheet, students read about metric and place value relationships, examine some sample problems, and then complete 5 conversion charts.
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Area Adventure

For Teachers 4th - 6th
Students calculate the area of figures using the formula: length x width = area. They solve area problems using paper squares, geoboards, and real-world problems.
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Lesson Plan
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Commutative Property

For Teachers 1st
First graders investigate the Commutative Property of Addition. It is introduced using models such as students, counters, balances and dominoes. They discover the order of the numbers in an addition sentence does not change the result...
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Lesson Plan
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Introduction to Time

For Teachers K - 1st
Learners explore the concept of time. Through discussion and artistic projects, they define time in their own words and tell how it is used to represent the seasons. Students draw a picture to portray time as it elapses during the...
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Clockwise

For Teachers 2nd
Second graders investigate angles through this series of lessons. They determine how angles turn in both clockwise and anticlockwise directions. They examine the characteristics of quarter half turns and how they can begin from any...
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Trail Mix

For Teachers 3rd
Third graders, given the price of different ingredients, make a trail mix of five different items without exceeding their budget of five dollars. They choose between pretzels, M&M's, twizzlers, popcorn, etc,. Each student practices...
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Worksheet
Curated OER

SAT Grid Practice Test 11

For Students 9th - 11th
In this SAT practice test, students compute the area and perimeter of polygons.  They determine the volume of a cylinder and solve problems with exponents.  This one-page worksheet contains 10 problems.  Answers are provided.
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Cruising the Internet

For Teachers 7th - 10th
Students identify the parts of an engine using a graph. For this statistics lesson, students make a graph from their collected data. They calculate the volume of a cylinder using a line of regression and a scatter plot.
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What's Your Line?

For Teachers 5th
Fifth graders collect temperature readings over a period of time, enter the information into a spreadsheet and choose the appropriate graph to display the results.
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Paper Planes

For Teachers 3rd
In this unit, 3rd graders investigate one variable to see if they can make a paper plane fly farther. They use scatter plots to establish a possible relationship between variables then use what they have found to make a paper plane to...
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Trains

For Teachers 1st - 2nd
Students compare the lengths of the train through calculation. This calculation can be done by knowing the values of the rods. Students use problem solving to get the answer to the problem before them.
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Metric Conversion

For Teachers 5th
Fifth graders access prior knowledge to complete a do now using metric conversion. In this metric conversion instructional activity, 5th graders will respond to problems and analyze for a possible mnemonic device.