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Lesson Plan
Curated OER

Wallflowers: Adding and Multiplying Integers

For Teachers 8th - 10th
Students solve word problems in which they add, subtract, multiply, and/or divide integers, identify rules and patterns for multiplying and dividing integers, create scenarios that represent each expression, and evaluate expressions.
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Lesson Plan
Curated OER

Study Buddies - Proportions

For Teachers 6th - 7th
Middle-schoolers solve various problems related to proportions. They write ratios in word form and then, replace the words with numbers. Pupils also write an equation in which they will cross-multiply to solve the proportion. This is an...
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Worksheet
Curated OER

Fractions II

For Students 6th - 8th Standards
Learners reduce fractions to their simplest form. They divide and multiply when needed in order to convert each fraction. This is a quick and easy way to review this skill.
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Worksheet
Florida Center for Instructional Technology

The Shadow Knows: Student Worksheet

For Students 3rd - 5th
How can you measure the height of a tree or telephone pole with only a short measuring tape?  It's not a problem when you start by measuring your shadow and your height to create a ratio to use with taller objects. Additional activities...
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Worksheet
Curated OER

Cross Multiplying

For Students 8th - 12th
For this cross multiplying worksheet, learners solve 21 equations.  Students cross multiply and divide to isolate a variable.
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Worksheet
Curated OER

Dividing Fractions

For Students 7th - 8th
In this middle school mathematics learning exercise, students divide fractions.  The learning exercise provided step-by-step instructions.  The one page interactive learning exercise contains six problems.  Solutions are provided. 
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PPT
Curated OER

The Cell Cycle: Cell Growth, Cell Division

For Teachers 9th - 12th
Help your students understand cell division. Explore the topics of mitosis by examining the details of chromosomes at interphase, metaphase, anaphase, prophase, and telophase. Wonderful slides will keep your students' attention while...
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Lesson Plan
Curated OER

Math Relay

For Teachers 4th
This is really a math review for older elementary learners to practice making equations using adding, subtracting, multiplying, and dividing in a fun way. They get to move around and play with hula hoops, bean bags, balls, and jump...
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Worksheet
Curated OER

Cross Canceling with Frank and Fred Frog!

For Students 5th - 6th
In this multiplying and dividing fractions to solve a riddle worksheet, students use cross canceling to solve the problems. Students solve ten problems.
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Interactive
Curated OER

Multiplying Fractions

For Students 7th - 9th
In this general mathematics worksheet, students multiply fractions, including whole numbers and mixed numbers.  The one page interactive worksheet contains five problems.  Solutions and answers are provided. 
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Worksheet
Curated OER

Multiplying Fractions

For Students 8th - 10th
For this algebra worksheet, students factor fractions using the cross method. They cancel out anything in common using the GCF. They divide fractions using the correct multiplication method. There are 24 questions.
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Worksheet
Curated OER

Working with Percentages and Proportions

For Students 6th - 8th
In this percentages and proportions instructional activity, students are given percentages, they express them as a proportions, they create an equivalent ratio using "x" for the unknown portion and they cross multiply and divide to find...
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Lesson Plan
Mathematics Assessment Project

Comparing Strategies for Proportion Problems

For Teachers 7th Standards
Having problems with proportions? Then solve these proportion problems with an exercise that asks learners to first individually solve a set of problems involving ratios and proportional reasoning. Groups then discuss provided sample...
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Worksheet
Curated OER

Fraction Equations: Multiply and Divide quiz

For Students 7th - 10th
In this fraction equations worksheet, students solve problems where they multiply and divide fractions. Students complete 14 problems.
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Worksheet
Curated OER

Zero in Division

For Students 3rd - 5th
In this division learning exercise, students complete division problems where they divide numbers by 0 and 1. Students complete 10 problems total.
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Worksheet
Curated OER

Whatever You do to One Side, You Must do the Other

For Students 7th - 9th
In this solving linear equations worksheet, students combine like terms to solve 9 equations. Students solve 8 proportion problems by cross multiplying.
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Lesson Plan
Curated OER

Use Symbols to Subtract

For Teachers 1st - 2nd
Students practice crossing out items in a group in order to complete subtraction problems. In this subtraction lesson plan, students watch a PowerPoint presentation and then practice problems on their own.
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Lesson Plan
Consumers Energy

The Cost of Electricity

For Teachers 6th - 12th Standards
How much is your toaster costing you every day? Young environmentalists calculate the monetary costs of household appliances based on their average consumption of wattage.
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Lesson Plan
EngageNY

The Volume Formula of a Pyramid and Cone

For Teachers 9th - 10th Standards
Our teacher told us the formula had one-third, but why? Using manipulatives, classmates try to explain the volume formula for a pyramid. After constructing a cube with six congruent pyramids, pupils use scaling principles from previous...
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Assessment
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California Education Partners

Lashelles Garden

For Students 3rd Standards
Let knowledge grow bountifully like plants in a garden. Given a diagram of a rectangular garden split into plots, scholars determine the area of the entire garden and the areas of the individual plots. As a culminating activity, they...
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Lesson Plan
Curated OER

Fickled Fractions

For Teachers 6th - 8th
Students explore which fractions are made real in our world. They also show the relationship of cross multiplication and equivalent fractions To reinforce fraction skills.
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Lesson Plan
Curated OER

Proportion Problems

For Teachers 7th
Seventh graders explore the concept of proportions. In this proportions instructional activity, 7th graders determine which offer is the better deal given two pizza offers. Students use cross products to solve proportions. Students...
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Lesson Plan
Curated OER

Liquid Killer

For Teachers 5th - 9th
Young scholars explore number sense applications and discuss strategies for multiplication and division using mental math. For cross-curricular purposes, they explore causes and effects of inequality and social injustice. Students...
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Worksheet
Curated OER

Compare and Order Fractions

For Students 4th - 6th
In this fractions worksheet, students complete a set of 12 problems, using division to order sets of fractions from greatest to least. A reference web site is given for additional activities.