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West Contra Costa Unified School District
Derivation of the Quadratic Formula
What connection does the quadratic formula have with a quadratic equation? Using a matching activity, pupils construct the algebraic derivation of the quadratic formula in this Algebra II lesson task. The task provides two variations of...
West Contra Costa Unified School District
Solving Rational Equations
Scholars first learn to solve two-step equations with fractional coefficients and constants by traditional methods and by clearing the denominator. They continue by learning another approach to solve two-step equations that have decimal...
Curated OER
Numeracy Starters
If you like to start each day with a new math challenge or warm-up, this resource is a must have. It includes 36 slides, each containing a different math challenge that stimulates algebraic reasoning, problem solving, and basic math...
Willow Tree
Circle Graphs
Pie isn't just for eating! Scholars learn to create pie charts and circle graphs to represent data. Given raw data, learners determine the percent of the whole for each category and then figure out the degree of the circle that percent...
Illustrative Mathematics
Converting Decimal Representations of Rational Numbers to Fraction Representations
A rational number is a ratio of two integers. Discuss with your class how to convert the rational numbers of repeating decimals to fractions. A good commentary on letting x equal the repeating decimal and multiplying each side of...
Achieve
Yogurt Packaging
Food companies understand how to use math to their advantage. Learners explore the math related to the packaging and serving size of yogurt. They then use unit analysis and percent values to make decisions on the product development.
EngageNY
Replacing Letters with Numbers II
Teach about properties properly. Individuals investigate the commutative and identity properties for both addition and multiplication. They see that the properties hold true for all values by using substitution to test out several examples.
Curated OER
Fraction Food Frenzy
Students study addition of fractions with like denominators using illustrations and problem solving.
Curated OER
Probability using M & M's
Using M & M's candies, young statisticians predict the color distribution in a packet of candies and test their predictions against their group and the larger class. A review of converting between fractions, decimals, and percents...
Curated OER
Topsy-Turvy Math With Rational Numbers
Fourth graders complete a worksheet. As a whole class, 4th graders hear a lecture and complete a worksheet on factors, multiplicative inverses and reciprocals, finding the quotient of two fractions and the division of fractions to...
Curated OER
More Pizzas and Things
Pupils are introduced to the problem by playing a guessing game of "I am a number, which is half of 6 and 6, what am I?" They explain their answers and see if anyone else had an alternate solution checking for reasonableness.
Curated OER
Using Your Melon for Math
Students apply fraction multiplication and division to recipe conversion.
Curated OER
Solving Equations
In this solving equations worksheet, students solve and complete 22 different problems that include solving various equations by using multiplication and division. First, they get the variable by itself and move it using the opposite...
Curated OER
Dividing Fractions
In this dividing fractions worksheet, students divide fractions with one and two-digit numbers by fractions with uncommon denominators to get mixed numbers. Answers are given next to the problems.
Curated OER
Accelerated Arithmetic; Dividing Fractions
In this math worksheet, young scholars divide fractions. Fractions are single digit fractions, both the numerator and denominator are single digits. Students use the method they have learned in class to perform the computation.
Curated OER
Building a Ship Lesson Plan
Learners draw a ship to scale, and calculate the real life size. They show that measurements on the drawingsare annotated with the distances reported in inches (fractions and decimals), and their real-world equivalents
Curated OER
Pizza Anyone?
Students, in groups, create models of pizzes and divide them, usin Unifix cubes, into fractions.
Curated OER
Discovering Math Rational Number Concepts
Students research Egyptian hieroglyphics using print and Web resources. THey discuss Egyptian achievements in mathematics. Students explore how Egyptians used hieroglyphics to write numerals. They multiply and divide numbers using the...
Curated OER
Cutting Up in Class, Fractal Style
Students create three-dimension models demonstrating exponents, multiplying and dividing of fractions, and the use of repeating patterns in tessellations, mirror images, and tiling.
Curated OER
Calculator Spelling
Sixth graders practice creating and solving number sentences on a calculator. They interact with number facts, their properties, algorithms and estimation. Each student recognizes inverse relationships of addition, subtraction,...
Curated OER
Math
Students solve addition, subtraction, multiplication, and division problems that focus on serving size and counting 5 A Day.
Curated OER
Divide Fractions by Fractions
In this dividing fractions by fractions interactive worksheet, 6th graders solve 10 division of fractions problems with immediate online feedback.
Curated OER
Fraction Facts
Students explore the concept of fractions. For this fractions lesson, students perform basic operations such as addition and subtraction with fractions. Students play a game on the computer called 'Fraction Four' that gives students...
Curated OER
A Mars Bar Fraction Hunt Lesson for Grades 3-5
Young scholars use their knowledge of fractions to decipher word puzzles. In this fraction lesson, students use common fractional parts to divide words into the letters needed to make a new word. They complete 28 examples to find a clue...