Curated OER
Solving Linear Equations
How do you solve linear equations? Learn how to solve simple linear equations by applying properties of equality in this instructional slideshow. The materials include step-by-step instructions and key concepts to support understanding.
CK-12 Foundation
Conversions between Degrees and Radians: Charting Hours in the Day
Forget hours, divide the day into radians instead. Class members convert the angles in a pie chart of daily activities into radian measures. They add angle measures for multiple activities then determine a relationship between the radian...
Curated OER
Math Center: Fishing
For this math worksheet, students reinforce addition and subtraction facts 0 to 12 by collaborating in a fishing game. Kids fish for numbers with a magnet and create a math sentence, flipping a coin to determine the operation used....
Curated OER
Practice Regrouping 15 to 18
In this adding and subtracting practice worksheet, students sharpen their problem solving skills as they solve 6 story problems that require them to regroup.
Curated OER
Now Showing: Reel Reduction
In this fraction puzzle practice worksheet, students put their problem solving skills to use as they solve a secret code by adding and subtracting fractions.
Curated OER
Two-Digit Addition and Subtraction
In this addition and subtraction instructional activity, students enhance their addition skills by adding or subtracting the 2-digit equations. Students solve 49 problems.
Curated OER
Math Lesson Plan: Pumpkin Addition and Subtraction
Learners practice their addition and subtraction skills. In this seasonal math lesson, students create pumpkin worksheets that may be used to practice addition and subtraction number sentences.
Curated OER
Math and Science in a Wetland
Students describe safe practice when doing field and lab investigations in a estuary or wetland. They create a model of an estuary and describe their value and function. They participate in field study in which they collect and analyze...
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Circles and Clocks, Shapes and Time
Students work in groups to research clocks and practice telling time. In this telling time instructional activity, students use the computer program ProQuest to study circles, including radius and diameter, and practice drawing circles...
Alabama Learning Exchange
Pizza! Pizza! Pizza!
Fifth graders practice using money in everyday situations. They use their addition and subtraction skills as they work in cooperative groups to solve problems involving decimals.
Curated OER
Fraction Facts
Students explore the concept of fractions. In this fractions lesson, students perform basic operations such as addition and subtraction with fractions. Students play a game on the computer called 'Fraction Four' that gives students...
Alabama Learning Exchange
Calendar Fun Operations
Middle schoolers explore the concept order of operations. In this order of operations lesson, students make a song about the order of operations in groups. Middle schoolers practice working problems using order of operations.
Curated OER
Addition Strategies: Compensation
In this math worksheet, students learn the addition strategy of compensation: adding an easy number like 10, 20 or 30 and then subtracting a very small number like 1 or 2. Students solve 12 problems on the page.
Curated OER
Mental Math Strategies
In this mental math worksheet, students study the detailed instructions and examples for adding or subtracting numbers using "breaking apart" or compensation. Students solve 17 mental math problems.
Curated OER
Subtraction Worksheet
For this math skills worksheet, students subtract the given equations and write the answer in the provided space. Students then check their answers by adding the numbers.
Curated OER
Stamps and Yo-yo
Students discuss items people collect, such as stamps and baseball cards, solve related word problems to practice adding and subtracting tens, complete worksheet, and share items they do or would like to collect with classmates.
Curated OER
Mathematical Properties for Addition
In this math worksheet, students read about and learn the properties of addition. Students study the commutative, associative, identity and inverse properties. There are no problems on this page for students to solve.
Curated OER
The Cuisenaire Four-Pan Algebra Balance: Limitations and Suggestions
Young scholars illustrate the concept of balancing equations using a Four-Pan Algebra Balance. In this balancing lesson, students visualize why it is necessary to add or subtract the same quantity on both sides of an equation when...
Curated OER
Cornbread Addition
Fourth graders, after being given a box of cornbread mix, follow the directions to make the cornbread. They utilize measuring cups to mix all the ingredients together and incorporate adding simple fractions while mixing up the cornbread.
Curated OER
Computing Time With One Clock
In this computing time with one clock worksheet, students examine and practice adding and subtracting time based on what a clock shows.
Curated OER
Smart Doubling
Second graders use mental math in calculations involving addition and subtraction. They study doubles facts to work out addition problems mentally using part and or whole reasoning.
Curated OER
Rules of Exponents
Students solve problems involving exponents. Through a teacher led discussion, students explore the rules of exponents and create cards with "x's" on them. Given a division problem, students lay out "x's" to represent the numerator and...
Curated OER
Subtraction With Memory
In this math worksheet, students solve the problems using the skill of subtraction while working on memory. The sheet is a teacher's guide.
Curated OER
Modeling Basic Operations
Eighth graders engage in a lesson that investigates basic mathematical operations using a number line. They use props for hands on activities of visualizing the solution to a particular problem.