Curated OER
2nd Grade Math
In this math worksheet, 2nd graders complete multiple choice questions about addition, subtraction, fractions, money, and more. Students complete 20 questions.
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Numbers Make Sense
Second graders explore number values by completing estimation problems in class. In this place value lesson, 2nd graders identify the use of decimals in numbers and how they relate to fractions or parts of a whole. Students utilize flash...
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Turtles in my Sandbox - Math Word Problems
In this online interactive math word problem activity, fourth and fifth graders solve 10 word problems using mixed operations. They select the appropriate answers and submit their answers to be scored.
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Number Sense and Operations
In this number sense and operations activity, 7th graders solve 15 different types of problems that include estimation and expanded notation. First, they simplify various equations by following the order of operations. Then, students...
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Adding and Subtracting Unlike Fractions
In this math worksheet, students practice find ing the values that are associated with unlike denominators. The operations of addition and subtraction are used.
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Add Rational Expressions
In this rational expression worksheet, students add, subtract and write rational numbers in their lowest terms. This two-page worksheet contains five problems.
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Equivalent Mixed Numbers
Fifth graders use various internet sites to complete math programs where they identify different representations of mixed numbers. In this mixed numbers lesson plan, 5th graders practice math before hand and then go on the computers in...
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.
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Which Fraction Am I?
In this fraction worksheet, students read a description of a fraction, then write the fraction on a line beneath the description clue. Students then write about what strategy was most helpful to them.
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Subtraction of Mixed Numbers With Unlike Denominators
In this subtraction of mixed numbers with unlike denominators, 6th graders solve eight columns of ten vertical subtraction problems plus two review problems at the end of each column.
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Math Mania
Fifth graders review adding, subtracting, multiplication and division of fractions and decimals through a variety of activities and exercises.
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Decimals: Collaborative Lesson
Students explore mathematics by participating in a group activity. In this number value lesson, students identify the uses for decimals and how to best estimate whole numbers based on decimals and fractions. Students collaborate with...
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Fraction Addition and Subtraction
Students learn skills necessary for adding or subtracting fractions.
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Fraction King Lesson Plan
Students combine imagination, block manipulation, and computer applets to investigate fractions.
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Donut Dinero
Students set up a classroom currency exchange and explore the idea of bartering to get what they want. They create a monetary unit that is based on fractions and multiples of a standard unit, and compare this system to the U.S. monetary...
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Adding Decimals with Hundredths
For this worksheet, students learn to add decimal numbers to the hundredths. Students first compare adding and subtracting decimals with the corresponding fractions in 6 problems. Then students add 35 decimal numbers mentally, filling...
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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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Math Practice Exam
In this math practice exam learning exercise, students simplify expressions, find volume and area, write mathematical expressions multiple and divide expressions and reduce fractions. Mention is made of associated videos, but no specific...
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Take Away Bar 2
Students use an Internet tool, The Take-Away Bar" to solve subtraction problems. They use mental strategies to subtract a two-digit number from a larger two-digit number. Students write and solve subtraction problems. They describe...
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Making Choices
Students determine that limited resources require choices. They study the basic concept of a budget and use addition, subtraction, multiplication, and division (with whole numbers, fractions, decimals and/or percents, mixed numbers) to...
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The Fathers' Day Card
Students subtract using decimals and find half of a decimal number. They write and solve problems which involve decimals and which require a choice of one or more of the four arithmetic operations.
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Number in Geometry
Learners use a number line to assist with their additions. They use a calculator to check for factors. Students are taught factors and multiples. They use array model of multiplication to define meaning. Learners develop a wide range of...
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Addition, Subtraction, Multiplication and Division of Real Numbers
In this math worksheet, students apply themselves to solve the problems with fractions and all the operations of real numbers.
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Ordering Numbers to 10,000 (C)
In this mixed number subtraction instructional activity, students subtract the whole numbers in the mixed numbers and then the fractions. Students then reduce the fractions to solve the 14 equations.
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