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Worksheet
Curated OER

Old FaithFul Problem

For Students 9th
In this algebra activity, 9th graders calculate the time that lapses between eruption of old Faithful. They try to time when all three geysers will erupt if one erupts every 94 minutes and lasts from 1.5 - 5 minutes. There is an answer key.
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Lesson Plan
Curated OER

Number Theory - Week 12

For Teachers 12th - Higher Ed
In this number theory worksheet, pupils study integers and their properties. They explore the Fibonacci Sequence and approximate irrational numbers. This two-page worksheet contains eight problems.
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Lesson Plan
Curated OER

Fraction Jeopardy

For Teachers 3rd - 8th
Students investigate basic concept of fractions by using a version of the game Jeopardy. The game is played using a television monitor or projector for the integration of technology. The lesson is highly engaging and can hold student...
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Worksheet
Curated OER

Fraction High-Low Card Game

For Students 5th
In this fraction high-low card game, 5th graders make 45 fraction index cards. They play a game in groups of three where they add the fractions on two cards and guess high or low for the next person's sum. Then they answer 3 questions...
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Worksheet
Curated OER

Rewriting Equations &Formulas

For Students 9th - 11th Standards
Practice with literal equations. Solve for one variable in terms of another.  Find the value of y given specific values of x. This short worksheet would make a good warm-up activity at the beginning of class or a quick assessment at the...
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Lesson Plan
Curated OER

Multiplication Versus Addition

For Teachers 2nd
Second graders create arrays to study multiplication. In this multiplication lesson, 2nd graders split into teams to complete a multiplication table. One team uses addition to solve the table while the other uses multiplication. Students...
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Worksheet
Curated OER

Computation Review of Decimals and Fractions

For Students 6th
In this computation review of decimals and fractions worksheet, 6th graders solve four columns of twelve problems of addition, subtraction, multiplication and division on six pages.
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Worksheet
Curated OER

Leftovers Again? - Number Word Problems

For Students 9th - 12th
In this word problem worksheet, students solve 1 word problem about numbers. Students find the smallest number that has the given qualities.
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Lesson Plan
Curated OER

Simultaneous Equations Using Elimination

For Teachers 9th - 12th
Students solve a system of two unknowns.  In the Algebra lesson plan, students use a on line computer applet/program to solve a system by the elimination method.  The student's work is self checking, giving immediate feedback.  The...
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Lesson Plan
Pennsylvania Department of Education

Associative Properties

For Teachers Pre-K - 3rd
Students investigate the associative property of addition. In this associative property of addition activity, students work in pairs and build addition problems with six blocks. They sit on either side of a desk so that they can "read"...
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Worksheet
Curated OER

Fractions Basics

For Students 4th - 5th
In this fractions worksheet, students fill in blanks in sentences with the correct terms that relate to fractions. A reference web site is given.
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Worksheet
Curated OER

Subtracting Fractions With Unlike Denominators

For Students 4th - 5th
In this fraction subtraction worksheet, students complete a total of 23 problems, subtracting fractions with unlike denominators. Worksheet gives a reference web site for additional activities.
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Lesson Plan
Curated OER

Punch Mix-up

For Teachers 5th
Fifth graders discuss the relationship between equivalent fractions, ratios, and proportions. In this fraction activity, 5th graders answer questions about a punch mixture in order to find the ratio of ingredients.
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Lesson Plan
Curated OER

Fickled Fractions

For Teachers 6th - 8th
Students explore which fractions are made real in our world. They also show the relationship of cross multiplication and equivalent fractions To reinforce fraction skills.
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Lesson Plan
Curated OER

Sieve of Eratosthenes

For Teachers 8th - 12th
Students investigate numbers, ways of representing numbers, relationships among numbers and number systems. They comprehend the meaning of operations and how they relate to each other.
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Worksheet
Curated OER

Two-Step Linear Equations

For Students 7th
In this two-step linear equations instructional activity, 7th graders solve 15 various problems that include linear equations with more than one-step. First, they need to get the variable, x, alone by subtracting/adding the whole number...
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Lesson Plan
Curated OER

Quick Questions

For Teachers K - 6th
Students ask their classmates survey questions. In this survey lesson, students come up with a question and possible answers. Their classmates mark their answers and the class discusses what they notice. 
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Lesson Plan
Curated OER

Rounding to the Tens Place

For Teachers 1st
First graders practice rounding to the nearest hundred and tens place. In this rounding lesson plan, 1st graders watch a video on and discuss the process of rounding to the nearest hundreds place with the teacher's guidance. Students...
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Lesson Plan
Curated OER

Numbers Make Sense

For Teachers 2nd
Second graders explore number values by completing estimation problems in class. In this place value lesson plan, 2nd graders identify the use of decimals in numbers and how they relate to fractions or parts of a whole. Students utilize...
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Lesson Plan
Curated OER

The Difference of Two Squares

For Teachers 8th - 10th
Young scholars practice the use of number properties through exploring the difference of two squares, creating an array model for multiplication, and work with decimal numbers. In groups, students explore patterns in an array and...
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Lesson Plan
Curated OER

Cross That Bridge

For Teachers 6th - 8th
Students create paper bridges. In this geometry and architecture instructional activity, groups use legal paper and paper clips to design a bridge that will hold 100 pennies. Links to mini-lessons exploring stability of different...
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Lesson Plan
Curated OER

Turkey Feathers

For Teachers Pre-K - K
Students demonstrate counting skills. In this number sense lesson, students glue numbered feathers onto a turkey pattern in numerical order.
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Handout
Curated OER

Fraction Addition and Subtraction

For Students 5th - 6th
Students learn skills necessary for adding or subtracting fractions.
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Lesson Plan
Curated OER

Majority Rules

For Teachers 3rd - 7th
Young scholars practice the voting process by taking a group vote using fractions or percents. In this voting process lesson plan, students review the voting process and vote using hands or a private ballot. Young scholars tally the...