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Worksheet
Curated OER

Subtraction: Two Digit by Two Digit - No Regrouping

For Students 2nd Standards
In this subtraction worksheet, 2nd graders find the differences in 30 two digit by two digit problems in which they do not have to regroup.
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Worksheet
Curated OER

Subtraction: Two Digit By One Digit With Regrouping

For Students 3rd Standards
In this subtraction worksheet, 3rd graders find the differences to 30 problems in which they subtract a one digit number from a two digit number. They regroup as needed.
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Worksheet
Curated OER

Subtraction: One Digit from Two Digits With No Regrouping

For Students 3rd Standards
In this subtraction worksheet, 3rd graders find the differences to 30 problems in which they subtract a one digit number from a two digit number. They regroup as needed.
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Worksheet
Curated OER

Addition: Number Bonds to 40

For Students 2nd - 3rd Standards
In this addition and subtraction worksheet, students use their problem solving skills to solve 41 problems as they fill in the missing numbers in each of the problems.
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Worksheet
Curated OER

Math Vocabulary Definitions-Multiple Choice

For Students 4th - 6th
In this math vocabulary learning exercise, students complete 15 multiple choice problems, choosing the correct definition for a set of math terms. A reference web site is included for additional activities. 
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Worksheet
Curated OER

Multiplication: One and Two Digit Numbers

For Students 3rd - 6th
For this multiplication worksheet, students multiply one digit numbers by two digit numbers and three digit numbers. Students complete 28 problems.
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Lesson Plan
Curated OER

Lines, Segments, and Rays

For Teachers 5th
Fifth graders use their arm, toothpicks, and marshmallows to create lines, segments, and rays. In this lines, segments, and rays lesson plan, 5th graders learn how these appear on a plane.
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Lesson Plan
Curated OER

Threads

For Teachers 5th - 8th
Students group observed data, filtering from all their observations the similarities between burring threads. In the second part they make a comparison of a chosen attribute between the two threads.
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Lesson Plan
Curated OER

Differentiate Elements, Compounds, and Mixtures

For Teachers 9th - 12th
Students examine the differences between elements, compounds and mixtures. Using diagrams, they compare and contrast atoms and molecules and describe various chemical reactions. They distinguish the differences between ionic and...
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Lesson Plan
Curated OER

Math Quilts

For Teachers 2nd - 6th
Students examine geometric shapes. In this geometric shape lesson plan, students examine how geometric shapes flip, turn, and slide to create a pattern. Students analyze the role that quilts played in helping slaves escape to freedom. ...
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Worksheet
Curated OER

Subtraction: Decimals

For Students 4th - 7th Standards
In this decimal subtraction worksheet, learners solve 15 problems that require them to subtract decimal numbers with 1-5 digits.
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Lesson Plan
Curated OER

Rubber Band

For Teachers 8th
Eighth graders investigate what would happen to the length of a rubber band as more and more rings were hung on it. They base their explanation on what they observed, and as they develop cognitive skills, they should be able to...
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Lesson Plan
Curated OER

Exploring Multiplication and Division at a Party

For Teachers 5th - 6th
Students solve multiplication and division problems using Unifix cubes. They explore multiplication and division through equal grouping of objects and sharing. Students discuss the task they completed and share how they completed the...
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Lesson Plan
Curated OER

Multi-Digit Multiplication

For Teachers 4th
Fourth graders practice mastering the ability to multiply multi-digit numbers utilizing rectangular arrays and a variety of mental math strategies. They model and illustrate meanings of multiplication and division of whole numbers and...
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Lesson Plan
Curated OER

Exponential Growth and Exponential Functions

For Teachers 8th - 12th
Students explore the concept of exponential functions. In this exponential functions lesson, students model exponential growth about a high school population using an applet. Students manipulate the applet to show the effect that a...
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Lesson Plan
Pennsylvania Department of Education

Adding and Subtracting Three-Digit Numbers by Jumping

For Teachers 2nd
Second graders use data to graph information and draw conclusions. For this lesson on data analysis, 2nd graders practice gathering, sorting, comparing, and graphing data. Students differentiate data that can and cannot change over time.
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Lesson Plan
Curated OER

Design a Better Classroom Workplace

For Teachers 12th - Higher Ed
Students design a new classroom workplace. In this architecture lesson, students use area formulas to identify the problem with the existing desks in their classroom. Students design their own solution volume formulas to solve the...
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Lesson Plan
Curated OER

Fraction of a Number

For Teachers 4th - 6th
Pupils explore how to multiply fractions using color tiles. They use the appropriate strategies for the multiplication of fractions. Students use 40 color tiles to practice multiplying fractions. They practice using various fractions to...
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Lesson Plan
Curated OER

Similar Triangles

For Teachers 9th
Ninth graders find the height of every day objects using techniques learned through postulates that allow triangles in a problem to be similar. They calculate the length of a missing side and solve proportions.
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Lesson Plan
Curated OER

Understanding Zoning: Its use on the High Line in West Chelsea

For Teachers 9th - 12th
Learners are introduced to zoning. Evaluating information and reading a land-use map is enclosed in this lesson. List new development projects that they could propose for a given area.
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Lesson Plan
Curated OER

The 3R's: Rights, Rules, and Responsibilities

For Teachers 8th
Eighth graders complete seven work stations that highlight math activities while they focus on the rules for Internet use and classroom rules for working in cooperative groups. After completing the activities, they complete a self-...
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Lesson Plan
Curated OER

Modular Arithmetic

For Teachers 5th - 6th
Students investigate modular arithmetic and how to use it to solve real world problems. In this modular arithmetic instructional activity, students use computers to work on modular arithmetic after a teacher guided instructional...
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Lesson Plan
Curated OER

Integers

For Teachers 9th - 11th
Students graph integers on a number line. For this integers lesson, students create a colored foldable to assist them with notetaking and problem solving.  Students complete exercises from text.
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Lesson Plan
Curated OER

Investigating: Finding the Volume

For Teachers 6th
Sixth graders explore geometry by utilizing colored cubes in class. In this volume lesson plan, 6th graders identify the different shapes they can create using their colored cubes and identify the formula for finding volume. Students...