Curated OER
Chemistry Lab: Chemical Equilibrium
Students investigate the effects of adding or removing a reactant or a product on chemical equilibrium. In this equilibrium lesson plan, students add or remove ions to solutions to determine the effects on equilibrium. They make...
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Chemistry 112: Form A-
In this chemistry 112 worksheet, students use their knowledge of chemistry concepts to answer the multiple choice questions provided. Students calculate the answers using the appropriate formulas.
Curriculum Corner
“I Can” Common Core! 3rd Grade Math
Help third graders make sense of the Common Core math standards with this simple checklist. By rewording each standard as an I can statement, children are provided with clear goals to focus on as they participate in math lessons.
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The Number Line
Learners graph and order numbers using a number line. They also solve word problems using fractions and decimals and rewrite equations to solve problems correctly. Several example word problems are given.
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Dividends to 45
Review division skills using this resource. Learners answer thirty simple division questions. This is a quick and easy to review this concept.
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Math Games for Skills and Concepts
A 27-page packet full of math games and activities builds on algebra, measurement, geometry, fractional, and graphing skills. Young mathematicians participate in math games collaboratively, promoting teamwork and skills practice.
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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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Fact Families
In this fact families practice worksheet, students sharpen their problem solving skills as they solve 6 story problems.
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Barge Building: What Floats Your Boat?
Students construct aluminum foil boats that float while holding the greatest number of pennies. They investigate the concept of water displacement, record their results, and watch a Bill Nye video on buoyancy.
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Unit 2 Quantities Review
In this quantities in chemistry worksheet, students solve 13 review problems about percent composition, significant digits, the mole, simple and molecular formulas, balancing equations, stoichiometry, limiting reagents and percent yields.
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Scientific Notation II: The Mantissa
Learners after completing the Part II (of 2) scientific notation online lab exercises, manipulate and interpret large numbers expressed in the "mantissa and exponent" format of scientific notation.
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Scientific Notation I: The Exponent
Young scholars manipulate and interpret large numbers expressed in the "exponent" format of scientific notation.
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Multistep Problems
In this multi-step problems worksheet, 4th graders read and analyze the paragraph on the worksheet about types of tools in order to answer four math questions with multiple choice answers.
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Matrix Operations
Students solve problems using matrices. In this algebra lesson, students add, subtract and multiply matrices. They use the graphing calculator to simplify and graph linear equations.
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Understanding Place Value
Fifth graders study place value. After forming teams, they play a game called, "Who Can Line Up the Number." Students observe numbers in expanded form and place representative digits in the correct order.
AAA Math
Aaa Math: Multiplication Facts by 0, 1, 2, 3
This page explains and lists the basic multiplication facts for zero, one, two, and three. It also provides practice and games to improve multiplication skills. CCSS.Math.Content.3.OA.C.7 Fluently multiply and divide within 100