Curated OER
Fractions: Adding Same Denominator
In this math worksheet, students look for the answers to the addition with fractions of the same denominator. There is a button at the top of the page for the answers.
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Cherries Are Positive, Lemons Are Negative- Part 2
Third graders, in groups, subtract integers by following Cherries are Positive, Lemons are Negative. They discover the rules for subtracting integers by using cherry heads and lemon heads.
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What is Your Favorite Class?
In this secondary mathematics worksheet, students solve a math riddle in which the answer will be that everyone’s favorite class is math. The one page explanation of the mathematics basis for the riddle is provided.
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Locating the Salt Front
Young scholars use Hudson River salinity data to create a line
graph that shows the location of the salt front, and use math
skills to explore how this location varies over time. They use the graph to estimate the location of the salt...
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Buying My First Car
Learners pretend they are about to buy their first new car. They must do all the calculations necessary to estimate the cost of purchasing the car. They see that the math they learn in school really does have real-life applications.
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Fraction Addition and Subtraction
Students learn skills necessary for adding or subtracting fractions.
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Making Change
Second graders explore how to incorporate a new type of technology, the cash register and/or a calculator, as a motivational tool for solving real life problems. They practice estimating money and counting back change from $20.00.
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Who Wants to Carry a Million?
Students, in groups, determine the volume of a box large enough to hold a million dollars. They calculate the dimensions of a bill and the volume of the money.
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Recycling
Learners relate recycling to waste reduction. In this science lesson, students talk about the environment and how recycling certain natural resources actually saves on energy. They also discuss what type of recycling causes pollution...
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Dividing into Two Parts — Halves
In this fractions worksheet, students divide pictures into halves to introduce them to fractions. Students complete 3 sets of problems.
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Multiplying Fractions
In this multiplying fractions worksheet, learners read about the process of multiplying fractions, examine some sample problems, and then solve 8 problems independently.
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Subtraction Relay
Learners play a team subtraction game, subtracting two-digit numbers and using addition to check their subtraction. They solve subtraction problems at the board while the team solves the same problem in their seats.
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Introduction to Fractions on the Numberline
High schoolers use color-cued fraction strips and a color-cued numberline to develop basic fraction concepts and correct sequencing. They complete a worksheet using equivalent fractions to solve the problems.
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Decimal Fractions of a Set
Sixth graders practice problem solving equations of fractions, ratios and proportions, addition and subtraction stage 6 as well as advanced additive. Emphasis is placed on decimal fractions and then they convert fractions to decimals.
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Subtraction and Addition Word Problems Made Easy
Third graders create addition and subtraction word problems for a partner to solve using marbles. They explain whether the problem is an addition, subtraction, "take away", "have and need", compare or "what is the rest" type problem.
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Counting Money
Students read, write, and identify different coin combinations and use this information in real-world situations.
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Where In the World Are We?
Fifth graders read postcards and find their locations on maps. They use the pictures and text on the postcards to write about imaginary vacations. They compute the mileage and compare it to TripMaker data.
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Fickled Fractions
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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Puzzling Perimeters
Third graders use estimation, fractions and decimals to determine the perimeter of objects in the classroom. They are given a worksheet with a list of the items on it. The worksheet has columns beside each of the items for estimation and...
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Literal Equations
Young scholars explore Literal Equations. In this literal equations lesson, students use the Internet to connect to links and solve linear equations. Young scholars investigate, analyze and record their findings on various activity...
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Problem Solving With Fractions
Sixth graders solve and analyze fractions. In this algebra instructional activity, 6th graders solve fractions using addition, subtraction, multiplication and division. They work in groups and do peer-review.
Pennsylvania Department of Education
Adding Common Fractions
Fourth graders estimate various measurements. In this lesson plan on measurement, 4th graders estimate the length and mass of multiple objects. Students discuss the difference between a guess and a reasonable estimate and discuss using...
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Decimals Vocabulary Matching
For this decimal vocabulary worksheet, students match a set of 27 words to their correct definitions. Answers are included on page 2; a reference web site is given for additional activities.