Lesson Plan
Curated OER

Chemistry Lab: Chemical Equilibrium

For Teachers 9th - 12th
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...
Worksheet
Curated OER

Limiting Reagent Practice Problems

For Students 10th - Higher Ed
In this limiting reagents learning exercise, students solve 10 problems. They calculate limiting reagents, they calculate percent yield of particular compounds and they determine how much of products can be produced based on the limiting...
Worksheet
Curated OER

Star Magnitudes and Multiplying Decimals

For Students 7th - 9th
In this star magnitude and multiplying decimals worksheet, students solve 5 problems using the magnitudes of given stars to determine which stars are the brightest, they determine the magnitude differences of stars and they sort given...
Lesson Plan
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Integer War Game

For Teachers 5th - 6th
Review adding, subtracting and multiplying integers using this activity. Learners play a game using a deck of cards in which the black ones are positive and the red ones are negative. They add, subtract, etc . . . based on the...
Lesson Plan
EngageNY

Equations of Graphs of Proportional Relationships Involving Fractions

For Teachers 7th Standards
The 15th segment in a series of 22 uses examples that present proportional relationships with fractions. Pupils work through the problems and discover that the process is the same as it is with whole number values. Graphing the...
Worksheet
Curated OER

Multiplying by 10 and 100

For Students 5th
In this multiplication by 10 and 100 worksheet, 5th graders complete 5 in-out tables. They multiply the numbers in the "in" row by either 10 or 100 to find the products and complete the tables.
Worksheet
Curated OER

Using Money

For Students 4th
In this money instructional activity, 4th graders read, study and analyze a table on 4 different airlines and their prices of tickets in order to answer 2 word problems involving subtraction and multiplication.
Worksheet
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Multiply Greater Numbers

For Students 3rd - 4th
in this multiplication activity, learners use a given table listing costs of ice cream cones to solve 6 related problems, multiplying greater numbers.
Worksheet
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Decimals-Multiply

For Students 3rd - 4th
In this decimal worksheet, students solve a total of 24 problems, multiplying whole numbers by decimal numbers. An answer link is provided.
Worksheet
Curated OER

Multiply Decimals

For Students 4th - 5th
In this decimal instructional activity, learners complete a set of 12 problems, multiplying decimal numbers by whole numbers. An answer link appears at the bottom of the page.
Worksheet
Curated OER

Choose the Operation and Method pg 4

For Students 4th - 6th
Being able to choose the correct operation to solve a math problem is a very important skill. In this math worksheet, students choose an operation and method, solve the problem, and explain the solution. Four problems are solved and...
Lesson Plan
Curated OER

Math: Creating Problems on Computers

For Teachers 3rd
Third graders, in pairs, create math story problems on computers. Skills include multiplication or addition and subtraction in two-step problems. After devising their problems, 3rd graders type them and use pictures to illustrate them....
Worksheet
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Multiply by 2 and 3-Digit Numbers

For Students 2nd - 4th
In this multiplication worksheet, students complete a set of 20 problems, multiplying one number by a 2 or 3-digit factor. An answer link is provided.
Worksheet
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Math Worksheet 1 Division

For Teachers 4th - 5th
For this math worksheet, students look for the answers to the division problems. The answers could be checked using multiplication.
Worksheet
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Chemical Equations

For Students 8th - Higher Ed
In this chemical equations worksheet, students fill in the blank with information about how to form chemical equations using the "ide" rule and the "ate" rule.
Lesson Plan
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The Energy Trail

For Teachers 5th - 10th
Learners examine the relationship between the products they use and energy use. Using the internet, they identify the role that manufacturing plays in using energy and the emissions that change the climate. They discover the steps to...
Lesson Plan
Curated OER

Explore: Finding Averages

For Teachers 6th
For this mathematics worksheet, 6th graders find the mean of a given set of numbers. Then they find the sum of the items in the set. Students also check their work by multiplying the mean by the number of items in the set.
Lesson Plan
Curated OER

Multiplying by Two-Digit Numbers

For Teachers 6th
In this mathematics worksheet, 6th graders find the product of a given equation. Then they use an array and find the sum of the partial products. Students also use zeros as place holders when necessary.
Worksheet
Curated OER

Word Problem Solving Strategies

For Students 6th
In this word problem strategy worksheet, 6th graders solve and complete 11 different problems and short answer questions related to double coins. First, they determine what they know and what is important information. Then, students...
Worksheet
Curated OER

Division Terms, Zero and One

For Students 3rd - 6th
In this division worksheet, students complete division problems by filling in the missing numbers, writing the problems, and filling in a chart. Students complete 4 sets of problems.
Lesson Plan
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Multiplying Using the Commutative and Associative Properties

For Teachers 3rd
Third graders practice using the commutative and associative properties. In this multiplication lesson, 3rd graders simplify a series of problems using multiplication sentences and complete a worksheet. 
Lesson Plan
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Dragon Math

For Teachers 3rd
Third graders, in groups, practice multiplication by putting five multiplication problems on white scales, then the answers on florescent colored scales.
Lesson Plan
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Conversions That Make Cents

For Teachers 8th
Eighth graders practice calculating problems using addition, subtraction, multiplication and division. They estimate solutions to algebraic problems. They also graph their solutions.
Lesson Plan
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Growing Up

For Teachers 4th - 5th
Students solve a given problem and explain their thinking using two number sentences to match their answer. One number sentence must use addition, one must use multiplication, and students must explain their answers. Includes sample...

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