Curated OER
Divide by 2 homework 10.4
In this dividing by two worksheet, students review using repeated subtraction, making equal groups, and related multiplication facts to divide one-digit and two-digit numbers by 2. Students solve seventeen problems.
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Bite Sized Fractions
Third graders compute and solve problems involving addition and subtraction of 3- and 4- digit numbers and basic facts of multiplication and division. They use paper and bitesized candy bars to practice fractions.
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Adding and Subtracting Integers
For this addition and subtraction worksheet, students find the sums and differences of positive and negative numbers. Students solve thirteen problems.
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Telecommunication
Each of these slides has notes for a teacher to support the activities that are planned for the students. The slides give details and facts about sound waves. Although this slide show delivers useful information about the sound waves,...
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Equal Additions
Learners explore the relationships between numbers through the use of "equal addition" and "equal subtraction." Through the use of number sense, they are able to computer addition and subtraction problems mentally. Individually,...
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Morning Work
First graders complete their morning work. In this math and editing lesson, 1st graders complete addition and subtraction problems, edit sentences and share their answers. Students can also create math problems of their own.
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Clock Arithmetic and Cryptography
Students explore the concept of modular arithmetic and cryptography. In this modular arithmetic and cryptography lesson, students use applets to explore modular arithmetic using a clock and Caesar Ciphers. Students exchange their ciphers...
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Miles Of Smiles
Learners investigate basic mathematical properties to solve multiplication and division problems. They solve word problems that are part of the lesson. Students are required to give written or oral justification for how they solve each...
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Multiplication Strategies and Writing Story Problems
Third graders model multiplication problems using Unifix cubes. They compute and solve problems involving addition and subtraction of 3- and 4- digit numbers and basic facts of multiplication and division. They practice mental math...
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Adjusting the Quotient
Fourth graders use number facts to estimate quotients. In this division lesson, 4th graders examine long division problems to determine which multiple of ten will help them determine a number that is close to a quotient. They adjust the...
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Mathematics: Prime and Composite Numbers
Sixth graders explore how to apply the commutative property and the rules of divisibility. They examine the difference between prime and composite numbers.
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Multiplying by 3
Second graders practice the multiples of three as an introduction to multiplying by three.
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Using Integers to Show Differences
In this integer worksheet, students use integers to show differences in temperatures by solving 7 short word problems. They find the differences in 7 more equations.
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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.
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Types of Clouds
In this science worksheet, students read about four different types of clouds. Students also read a table that illustrates the heights each type of cloud can reach in the atmosphere.
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Math, Calories and You
Discover the connection between calories and weight. Pupils multiply their body weight times calorie estimates for various physical activities to calculate calories burned per minute and per hour. Worksheets a well as website links are...
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The U.S. Census
For this U.S. Census Worksheet, students read a passage regarding the U.S. Census and answer the following 10 multiple choice questions.
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Why Were Logarithms Developed?
Show your class how people calculated complex math problems in the old days. Scholars take a trip back to the days without calculators in the 15th installment of a 35-part module. They use logarithms to determine products of numbers and...
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Clock Arithmetic and Cryptography
High schoolers investigate modular clock arithmetic and cryptography. They perform basic operations in modular (clock) arithmetic and encode and decode messages using simple shift and affine ciphers.
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Hector's World - Lesson Plan Episode 3 - "It's a Serious Game"
Learners analyze how to tell if an adult is trustworthy. In this trustworthiness lesson, students watch an episode of "Hector's World" and discuss how to tell if an adult is trustworthy or not. They draw a picture of a person who they...
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Managing Heat
Third graders perform various experiments to show the flow of energy that causes heat. In this heat instructional activity, 3rd graders understand how heat is transferred or trapped. Students use the scientific method and critical...
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What In The World Would You Have?
Students calculate value of money in other countries, and explore how the economy affects the rate of exchange.
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Identities and Trigonometric Values
Young scholars solve trigonometric equations. In this precalculus instructional activity, students prove trigonometric identities using the Pythagorean Theorem. They apply the addition formulas for sine and cosine to prove different...