Curated OER
The Sum of All Angles
Students add up the different angles using the angle addition postulate. In this geometry lesson, students differentiate between interior and exterior angles. They calculate the different angles for triangles and use proof to show their...
Curated OER
Rules for Balancing REDOX Equations: (Half-Reaction Method)
In this chemistry worksheet, students read the instructions of how to work with the following: acidic and basic solutions, total and net ionic equations, and how to relate these to each other.
Curated OER
Quadratic Rules and Graphs
Students identify the properties of quadratic equations. In this algebra lesson, students find the vertex and intercepts of a parabola. They factor quadratics and identify the zeros of the equations.
Curated OER
Verb Review 1: Present/Past
Use this worksheet (with four mini-exercises) to sum up skills learned about various verb forms and usage rules. It covers present, present progressive, past simple, and future tenses in regular and irregular verbs. Young grammarians...
Curated OER
Area Under A Curve
Calculus students use the derivative and integral to solve problems involving areas. They calculate the area under a curve as they follow a robot off road making different curves along the drive, using Riemann Sums and Trapezoidal rules...
Curated OER
Finding the Oxidation State
In this oxidation state worksheet, students are given rules for assigning oxidation numbers and a chart showing the oxidation states of the elements of a given compound. Students use the rules and the example to find the oxidation states...
Curated OER
Prime Numbers
Students differentiate between prime and composite numbers. In this algebra lesson, students define the terminology and investigate the contributions made by Eratosthenes and Euclid as it relates to prime numbers. Students apply the...
Curated OER
Proving Quadrilaterals
In this geometry worksheet, 10th graders identify the missing angles using the polygons sum conjecture. They measure exterior and interior angles using their angle theorems. There are 63 problems.
Curated OER
Subtracting Monomials and Polynomials
Students subtract monomials and polynomials by combining like terms. In this advanced subtraction lesson, students define the rules and properties for subtraction of polynomials. They apply the rules for addition to help with the rules...
Curated OER
Using Matrices for Data
In this matrices for data worksheet, 9th graders solve and complete 29 various types of problems that include using matrices to illustrate data. First, they determine the sum, difference and scalar product for each matrices shown. Then,...
Curated OER
Numerical Methods of Integration
Students calculate the area under a curve. In this calculus instructional activity, students estimate and calculate the area of a curve using simpson's rule and the trapazoidal rule. They review rieman sums and add to it.
Curated OER
Positive and Negative Activity
In this positive and negative worksheet, students use the positive and negative rules to rewrite and answer the 34 questions below, an example is provided for them.
Curated OER
The Number System
Students explore how to multiply and divide by 10, 100, and 1000. For this computation lesson, students participate in an online activity using the interactive whiteboard. Students generate sums by using dice.
Curated OER
Addition: Four In a Row Game
In this finding the sums game worksheet, students add one-digit numbers plus one-digit numbers to be the first to solve four in a row. Students solve 25 problems.
Curated OER
Concept: Dice Probabilities
In this probability worksheet, students roll dice to determine the experimental probability of rolling each number on a die. The experiment is repeated using a dice rolling application on their computer. Students find the theoretical...
Curated OER
Application of Delta-Epsilon Definition of the Limit
Students create a Hexaflexagon using a formula. In this calculus lesson, students apply the definition of delta epsilon as it relates to limit to create a shape using creases. They relate the same rule to triangles and investigate angles.
Curated OER
Angles in Triangles
Eighth graders translate word problems using mathematical ideas. In this geometry lesson plan, 8th graders identify angles of triangles using equations and the triangle sum theorem. They create angles with a protractor and straight edge.
Curated OER
Introduction to Oxidation and Reduction
For this elements worksheet, students learn the rules for assigning oxidation numbers and then practice using these rules. Students use oxidation number to determine if a substance has been oxidized or reduced. This worksheet has 14...
Curated OER
Calculating with Significant Digits
In this significant digits worksheet, students are given the rules to finding significant digits when adding, subtracting, multiplying and dividing. Students solve ten problems and express their answers with the proper number of...
Curated OER
Cost Calculations Lesson Plan
Students analyze data using graphs and equations. In this algebra lesson, students calculate the cost of lumber, convert price per foot to price per piece, solve equations using addition and subtraction and give exact answer when needed....
Curated OER
Numerical Methods of Integration
Students review Riemann Sums with rectangles, used to approximate the area under a curve. They listen as the teacher introduces the Trapezoidal Rule to approximate the area under a curve. Students use Simpson's Rule to find the area...
West Contra Costa Unified School District
Indefinite Integrals
The inverse of matter is anti-matter, so the inverse of a derivative is an antiderivative. The instructional activity introduces antiderivatives and indefinite integrals to the class along with the notation for integrals. Groups work...
Concord Consortium
Last Digit Arithmetic
Mathematics involves a study of patterns. The exploratory lesson has learners consider the addition pattern in different sets of numbers. Each set has a different pattern that pupils describe mathematically. The patterns involve both...
Curated OER
Ready, Set, Sum
Third graders summarize a piece of nonfiction text. After reviewing the correct way to read in order to summarize, 3rd graders independently read a nonfiction article. They write a summary paragraph using the three step process outlined...