Curated OER
Oxidation-Reduction Reactions
Focus on oxidation-reduction reactions with a review worksheet. Junior chemists answer short-answer questions before they write balanced half-reaction and full-reaction equations.
Curated OER
Chapter 19 Review, Mixed Review: Oxidation-Reduction Reactions
Here is a short, but well-rounded review of redox reactions. Chemistry apprentices identify the type of reaction, write half-reaction equations, balance equations, and assign oxidation numbers. Being brief, this would make a purposeful...
Curated OER
Equivalent Fractions
After you've introduced fractions to your class, have them check out this highly comprehensive slide-show on equivalent fractions. The fractions 1/1, 2/2, 4/4, and 8/8 are shows as fraction bars so that learners will be able to grasp how...
Curated OER
Fractions XIV - Multiplication of Fractions
Knowing how to multiply fractions is an important skill. Knowing when you should multiply fractions is equally as important. This impressive presentation covers both topics quite nicely. Along with slides that present explanations, there...
Ohio Department of Education
Fraction Models - Grade Three
Explore fractions using different manipulatives and illustrations. Your class can create a variety of models of fractions and mixed numbers with drawings and manipulatives. They then work to compare fractions, mixed numbers, and whole...
Curated OER
A Fraction of the Cost
Young scholars use various coin denominations to explore the concept of fractions. They demonstrate an understanding of the fractions 1/2 ($.50), 1/4 ($.25), 10ths ($.10) and 20ths ($.05) by using fraction circle pieces to create whole...
Curated OER
All, Half, Most, and None Exercise
In this all, half, most, and none worksheet, learners fill in the blanks to sentences with either the word all, half, most, or none. Students fill in the blanks for 14 sentences and write 4 on their own.
Curated OER
Half Angle
High schoolers calculate the solution using half angles formulas. In this calculus lesson, students identify the different properties of a triangle using trigonometric properties. They identify the mean, altitude and angles of a triangle.
Curated OER
Half Life Lab
Seventh graders model radioactive decay using pennies, collect data from their model, apply scientific visualization techniques to their data and create animated models explaining the concept of radioactive half-life.
Curated OER
Fraction Equations: Multiply and Divide quiz
In this fraction equations worksheet, students solve problems where they multiply and divide fractions. Students complete 14 problems.
Curated OER
Solving Fraction Equations Reteach 5.10
In this using inverse operations to solve fraction equations learning exercise, students review the steps and examples, solve the problem, and use substitution to check their answer. Students solve one problem.
Curated OER
Solving Fractional Equations
In this fractional equations worksheet, 9th graders solve 10 different problems that include various types of rational expressions. First, they determine the least common denominator in each. Then, students compare the numerators and add...
Curated OER
Chemistry Quiz 4-Redox Reactions
In this oxidation/ reduction worksheet, students solve eight multiple choice problems related to redox reactions. They determine half reactions, they calculate standard cell potentials, they identifying oxidizing and reducing agents and...
Curated OER
Identifying Fractional Parts of a Whole Unit
In this fractional parts of a whole worksheet, 5th graders examine different arrays that represent a unit. They tell what part of the whole each of given pictures represents, they measure and color fractional parts of a line, and tell...
Curated OER
Measure Objects To the Nearest Half Inch
In this standard measurement worksheet, 3rd graders measure pictures of 5 objects to the nearest half inch. They measure pictures of items such as scissors, a pencil, and a crayon.
Curated OER
Fraction Worksheet 1: Missing Numbers
For this fractions worksheet, students view fraction equivalents and find the missing numerator or denominator. Answers are found by clicking a link. An excellent in-class activity, or homework assignment.
PHET
Fractions: Intro
There's nothing improper in learning about fractions. Scholars apply an interactive to explore models for proper and improper fractions. They then answer a set of questions in a game that requires building models for given fractions and...
Curated OER
The Same
These monsters are only half-drawn! Challenge scholars to observe the line of symmetry and draw in the other half to reflect the first half. There are six simple monsters in all, and scholars can color them in once finished (encourage...
Curated OER
Fraction X--Adding Unlike Denominators
In this math PowerPoint, the process of adding fractions with unlike denominators is broken down into a logical, easy-to-follow sequence of steps. Definitions and examples of multiples, least common multiple, and least common denominator...
Lorain County Community College
Review of Fractions
Put your mathematicians to the test and see if they can complete this challenging fraction review worksheet. The problems include mixed numbers, one-step equations, and all the operations, some with multiple steps necessary. This...
Curated OER
Writing Half Reactions
In this half reactions worksheet, students read about redox reactions and learn how to write half reactions showing the oxidized part of the reaction and the reduced part of the reaction. Students are given 10 redox reactions and they...
Ohio Department of Education
Fraction and Decimal Equivalency
Mathematicians make representations of fractional parts of a whole and learn that a decimal is another way to represent a fractional part. Understanding is extended by comparing and ordering fractions and decimals on a number line. This...
Curated OER
Redox Equations and the Half-Reaction Method
Pupils review half-reactions and practice balancing redox equations in order to help them solve problems in chemistry.
Curated OER
Fraction - Subtracting Unlike Denominators
These presentations by Monica Yuskaitis are particularly good. In this one, she shows viewers how to deal with subtracting fractions that have unlike denominator, no small task! This is a tricky process, and this PowerPoint takes young...