Curated OER
Invitation to Integers
Students find zero pairs and add integers using zero pairs and a number line. They generalize rules for adding integers. Students complete a matching activity on the Internet that helps them practice adding integers.
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Application of Graph Theory
Students investigate different online tutorials as they study graphing. For this graphing lesson, students apply the concept of graphs cross curricular and use it to make predictions. They define the purpose and theories behind graphs.
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Solving Equations Using Two Operations
Need more detail in showing your class how to solve two-step equations and proportions? This lesson plan outlines the steps young mathematicians need to solve simple equations and check their results.
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Dream Car Math
High schoolers collect car cost comparison data from the "Car Wizard" web site to use as problem solving and for calculations related to math.
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An Introduction to Public Key Cryptography
Students secure information online using cryptography. In this algebra lesson plan, students use RSA technology to encrypt information on the internet. They use modular reduction of natural numbers to understand prime number theory.
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An Introduction to the Natural Logarithm (ln)
Students explore the dose response principle, an introduction to what the "natural log" (ln) is and how it behaves. They create and analyze a dose response graph.
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Understanding Radios
Fifth graders explore ratios. Using models and real-world scenarios, they complete tables and generate comparisons. Pupils demonstrate multiple ways of writing ratios and describe the differences between ratios.
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Sorting
Students sort a variety of manipulatives and use a software program that provides more sorting practice.
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Multiplying Decimals and Mixed Numbers
Students multiply decimals and/or mixed numbers. They explore the effects of multiplying decimals and mixed numbers. They practice estimating answers when a number is multiplied by a decimal or mixed number.
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Expected Value
Students discuss what expected value is, they are introduced to the concept of varyting payoffs. Students use a computer simulation of a "real world" example where expected value is used.
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Addition: 3-Digit Sums (Carrying Tens)
For this addition practice worksheet, students improve their math skills as they solve 30 problems that require them to add 2-digit numbers to 2-digit numbers
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Probability and Statistics
Students reason mathematically as they solve problems dealing with probability of an even occurring. In this probability lesson, students differentiate between different rankings of candidates running for leadership. They identify...
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Fraction of a Number
Students 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...
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1st Grade Problem Solvers
First graders investigate, represent and solve problems using number facts, operations, and their properties. They solve on-step addition and subtraction number sentences and word problems using concrete materials. Students construct...
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Exploring Multiplication and Division at a Party
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...
Helping with Math
Subtraction : 3-digit - 3-digit
In this subtraction worksheet, math wizards subtract three-digit numbers from different three-digit numbers. Some of the 24 problems require regrouping.
Helping with Math
Addition: 3-Digit Sums
The title is a bit confusing, but understand that the addends are only two-digit numbers. It is the answers, the sums, that will consist of three digits. Learners solve six addition practice problems. Answers can be obtained by clicking...
Helping with Math
SubtractionL 3-digit - 2-digit
In this assignment, math minors solve 30 subtraction problems. Two-digit subtrahends are taken away from three-digit minuends. Often, regrouping will be necessary to arrive at the difference. Terrific practice with an answer key provided!
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In the Bag!
Students calculate how many quarters are in a $1,000 bag (after learning the dollar value of filled coin bags). They explain their problem-solving strategy using pictures, numbers, equations, and/or words.
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Factors and Multiples
Sixth graders need to see the relevance in the mathematics they learn. This lesson builds on the concepts of least common multiple and greatest common factor. The lesson presents real-world problem situations for students to solve.
Pennsylvania Department of Education
Two Types of Division Problems
Students discover the two types of division problems. In this number division instructional activity, students identify repeated subtraction and sharing division problems. Students create word problems utilizing the two different types...
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Adding and Subtracting Bears and Goats
First graders evaluate math problems using farm animals. In this consumer math lesson, 1st graders discover math problems which concern quantities of farm animals. Students discover new strategies to help them analyze their information.
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Spending - Maintaining the skill of money
Third graders practice making change with money. In this subtraction lesson, 3rd graders watch a video about money. Students investigate what it means to earn money, spend it, and find their change.
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SPENDING: Maintaining the Skill of Money
Fourth graders explore the concept of maintaining money. In this personal finance lesson plan, 4th graders earn "money" for cleaning their classroom desks. Students spend the "money" in the classroom and practice making change.