Lesson Plan
Curated OER

Reduction to Common Denominator

For Teachers 4th - 5th
Students compare two fractions with different denominators. For this fractions lesson, students find the least common multiple in order to find a common denominator with two fractions. Once they have a common denominator, they compare...
Worksheet
Curated OER

Mystery Code

For Students 4th - 5th
In this fractions secret code worksheet, students solve 9 problems that require them to add and subtract using fractions. Students use their answers to decode a mystery message.
Interactive
Curated OER

Simplifying Fractions

For Students 8th - 10th
In this algebra worksheet, students simplify fractions using common denominators. They solve using addition and subtraction. There are 6 questions with an answer key.
Worksheet
Curated OER

Division of Fractions Board Game

For Students 5th
In this division of fractions board game worksheet, 5th graders roll a dice, solve division of fraction problems and move around the game board.
Lesson Plan
Curated OER

Online video games plus curriculum-based math equals an engaging educational tool.

For Teachers 7th
Seventh graders use online math games to practice understanding the skill of estimation and order of operations. In this lesson, 7th graders use the internet to play online games to strengthen their understanding of these skills. 
Worksheet
Curated OER

Change Mixed Numbers to Improper Fractions

For Students 4th - 5th
In this fractions worksheet, students complete a total of 15 problems, changing mixed numbers to improper fractions. A web site reference is given for additional activities. 
Worksheet
Curated OER

2nd Grade Math

For Teachers 2nd
In this math worksheet, 2nd graders complete multiple choice questions about addition, subtraction, fractions, money, and more. Students complete 20 questions.
Worksheet
Math Mammoth

Three Denominators

For Students 5th - 6th
For this common denominator worksheet, students learn to add three fractions using common denominators. Students then practice by adding and subtracting fractions using common denominators.
Worksheet
Curated OER

Adding Mixed Numbers 1

For Students 4th - 5th
In this adding mixed numbers learning exercise, students write addition sentences using pie charts, add mixed numbers with the same denominator, and write mixed numbers as fractions in simplest form. Students solve nine problems.
Worksheet
Curated OER

Math: Decimals / Money #1 (10-99)

For Students 3rd - 6th
In this elementary math worksheet, students review subtracting decimals as they complete 25 problems. The problems require students to subtract digits ranging from 10-99.
Worksheet
Curated OER

Fractions and Decimals

For Students 3rd - 4th
In this fractions and decimals worksheet, students convert 6 fractions into decimals. Students work out their answers in the spaces provided.
Interactive
Curated OER

Addition of Fractions

For Students 5th - 8th
In this fractions learning exercise, students answer multiple choice and short answer questions about fractions and how you add them. Students answer 10 questions total.
Worksheet
Curated OER

Adding Fractions With Unlike Denominators

For Students 4th - 6th
For this fraction addition worksheet, students complete a total of 50 problems, adding fractions with unlike denominators. An answer key is included.
Worksheet
Curated OER

Addition of Like Fractions

For Students 4th - 5th
For this addition of like fractions worksheet, students use space given to show work and solve a set of 4 fraction addition problems. Answers are included on page 2.
Lesson Plan
Curated OER

Add Rational Expressions

For Teachers 12th - Higher Ed
In this rational expression worksheet, students add, subtract and write rational numbers in their lowest terms. This two-page worksheet contains five problems.
Activity
Illustrative Mathematics

Mixed Numbers with Unlike Denominators

For Teachers 5th Standards
There is more than one way to add mixed numbers. This instructional activity asks 5th graders to find and record two ways. The purpose is to help pupils realize there are different ways to reach a common solution in math. The two most...
Lesson Plan
Curated OER

Number Operations

For Teachers 3rd - 4th
Inject fun into your math review! Pupils review basic math operations with decimals as well as addition and subtraction with simple fractions. In this number operations instructional activity, students work in groups to create a game for...
Lesson Plan
National Security Agency

Money Maters: Integers are Integral!

For Teachers 5th - 7th Standards
A thoroughly-written lesson plan and a plethora of worksheets about integers comprise this resource. Neophyte number crunchers learn to recognize integers, add and subtract them, and apply the concepts to the designing of a personal...
Lesson Plan
EngageNY

Solving Rational Equations

For Students 10th - 12th Standards
What do fractions and rational expressions have in common? Everything! Learners use common denominators to solve rational equations. Problems advance from simple to more complex, allowing pupils to fully understand the material before...
Assessment
Noyce Foundation

Cereal

For Teachers 6th - 7th Standards
Find the best protein-packed cereal. The short assessment task covers equivalent and comparing ratios within a context. Pupils determine the cereal with the highest ratio of protein. A rubric helps teachers with point allotments for...
Lesson Plan
Curated OER

Olympic Decimals

For Teachers 3rd - 5th
Add competitive event times, expressed in decimals, to determine the winners! Individuals use a chart showing competitors' times in four events to figure each team's total time and individual standing.
Lesson Plan
Curated OER

Investigation - The M & M Mystery

For Teachers 6th
Sixth graders inspect M&M's to complete statistical data. Students interpret percent of colors represented. They convert data from decimals, fractions, and percents. Using the data, 6th graders create a bar graph and a circle graph.
Interactive
CK-12 Foundation

Rational Numbers in Applications: Pizza with Friends

For Students 6th - 7th Standards
Explore the application of fractions in a real-life situation. Learners manipulate an interactive simulation to model a given scenario. They find fractions of fractions and explain the importance of the part-to-whole comparison.
Lesson Plan
Willow Tree

Dimensional Analysis

For Students 8th - 11th Standards
Convey to your pupils the importance of units, then show how to use dimensional analysis to perform a unit conversion. The math lesson includes detailed worked-out solutions to guide learners in their practice.