Curated OER
Positive and Negative Numbers
Pupils use blocks and markers to illustrate the processes of adding, subtracting, multiplying and dividing integers. In this mathematics lesson, learners use Algebra blocks to demonstrate multiplying polynomials.
Curated OER
Adding and Subtracting Fractions and Mixed Numbers
Elementary schoolers participate with their teacher's instruction to learn to add and subtract fractions and mixed numbers. They use fraction strips to complete addition and subtraction problems. A step-by-step script is provided to help...
Curated OER
Rational Numbers as Exponents
In this algebra worksheet, students rewrite 3 radical expressions as exponential notation. They change 6 quantities with fraction exponents into equivalent radical expressions. Students write three exponential expressions, eliminating...
Curated OER
Popcorn Fractions
Upper graders explore fractions to determine a fractional part of a whole. They are given 30 pieces of popcorn and asked to divide it into halves, thirds, etc. Students practice representing the popcorn groups as a numerator and...
Curated OER
How Simple Is Your Rational Expression?
Investigate simplifying rational expressions. Learners define rational expressions, review how numerators and denominators are polynomials and complete several problems using a checklist to ensure they don't skip any steps. Work can be...
Curated OER
Math: Divide and Conquer - Equivalent Fractions
Students engage in hands-on activities and observe videos to develop fraction skills. In one activity, they create "paper pizzas" complete with original toppings. By swapping pieces, students display whole and unique-looking pizzas.
National Research Center for Career and Technical Education
Photoshop Scale
Say cheese! Can your class take a great photo and size it to fit any need? A career and technology-centered lesson plan demonstrates the correct way to resize images in Adobe Photoshop. Scholars view a presentation and work individually...
Noyce Foundation
Cat Food
Determine the right mix of cans of cat food. The resource consists of an assessment task to determine the cost to feed two cats for a specific number of days and requires scholars to interpret remainders within a context. The resource...
EngageNY
Percent of a Quantity
Visualize methods of finding percents. Classmates find a percent of a quantity using two methods including a visual model in the 26th lesson in a series of 29. By the end of the lesson, scholars find percents given a part and the whole...
Curriculum Corner
7th Grade Math Common Core Checklist
With so many math standards to fit into a school year, it can be difficult keeping track of what you have and have not covered. This collection of Common Core checklists allows you to maintain a running record of when each standard was...
West Contra Costa Unified School District
Divisibility Rules Justified
How do you know if a number is divisible? Instructors first prove the divisibility rules for three and four and then class members use this modeling to prove given divisibility rules for eight and nine either individually or in groups.
Noyce Foundation
Truffles
Knowing how to scale a recipe is an important skill. Young mathematicians determine the amount of ingredients they need to make a certain number of truffles when given a recipe. They determine a relationship between ingredients given a...
Curated OER
Which Fraction Am I?
In this fractions worksheet, students solve the clues to come up with the correct fraction. Students solve clues for 6 fraction problems.
Curated OER
Working with Percentages and Proportions
For this percentages and proportions worksheet, 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 their answer.
Curated OER
Properties of Multiplication
Fifth graders examine the process of multiplication and the relationship between addition and multiplication. They observe the teacher model a variety of problems on the board, and identify properties of multiplication. Students...
Curated OER
Fractions
In this algebra worksheet, students rewrite fractions as a mixed number and as improper fractions. They solve problems using fractions. There are 16 problems.
Curated OER
Fractions XI Adding Mixed Numbers with Unlike Denominators
This PowerPoint demonstrates how to add mixed numbers with unlike denominators. The slides display examples of problems, along with steps that students can easily follow.
Curated OER
Optical Illusion
Students practice creating optical illusions as well as discerning how perception of information may change its characteristics. They distinguish between an equilateral triangle, endpoints, vertices's, and segments of triangles. The...
Curated OER
6.5 Skill Builder: Trigonometric Identities
In this trigonometric identities worksheet, high schoolers solve 16 multi-part short answer problems. Students use the quotient identity and Pythagorean identity to simplify trigonometric expressions. High schoolers factor trigonometric...
Curated OER
Let's Make Fudge
Students make fudge after reading fractional values in recipes and finding equivalent fractions to those presented in the recipes. They study measurement abbreviations.
Curated OER
The Science of Color
Students use the scientific method to explore how to make different colors with paint. They problem solve ways to darken and lighten colors without using black and white paint. Students hypothesize how to create new colors, and describe...
Curated OER
Reinforcing Fractions Using a Fraction Calculator
Students complete fraction word problems using TI-Explorer Calculators.
Curated OER
"Water is Life" Global Water Awareness
Students examine and calculate the percentage of potable water remaining on the earth. In this ecology and geography lesson, students brainstorm the main factors affecting water distribution. Students use mathematical problem solving to...
Curated OER
Unit Fractions
In this unit fractions worksheet, students solve the six word problems using the parts and wholes for each problem to help find the fraction number.