Virginia Department of Education
How Many Triangles?
Something for young mathematicians to remember: the sum of any two sides must be greater than the third. Class members investigates the Triangle Inequality Theorem to find the relationship between the sides of a triangle. At the...
Virginia Department of Education
Properties of Quadrilaterals
What type of quadrilateral is that? Discover the difference between the types of quadrilaterals. Small groups investigate types of quadrilaterals using geometry software to find their properties. To keep track of the different...
Virginia Department of Education
Nonlinear Systems of Equations
Explore nonlinear systems through graphs and algebra. High schoolers begin by examining the different types of quadratic functions and their possible intersections. They then use algebraic methods to solve systems containing various...
Virginia Department of Education
Quadratic Equations
Review the multiple methods of solving quadratic equations through an analysis of the discriminant. Scholars use the discriminant to determine the best solution method and then solve various equations. As a challenge, learners build...
Virginia Department of Education
Perfecting Squares
Here's a perfect way to introduce perfect squares. Individuals color in the diagonals of squares and record observations about patterns. They connect their diagrams to exponents of two and perfect squares.
Curated OER
Systems of Linear Inequalities
Graphing systems of linear inequalities is the focus of this worksheet. Problems range from checking solutions of inequalities, graphing systems of two inequalities, and graphing systems of three inequalities. Graphing horizontal lines,...
Curated OER
Five Fingers for Eating Lunch
First graders listen to the book, The M&M's Brand Counting Book, discuss the one-to-one correspondence and count the candies in the story. They focus on the number five, and listen to the story Sun Up, Sun Down, discussing the...
Curated OER
Ratio of Similarity
For this ratio of similarity worksheet, 10th graders solve and complete 20 different problems that include defining the ratio of similarity in various figures. First, they determine the ratio of similarity for large and small pairs of...
Curated OER
Triangle Similarity
In this triangle similarity worksheet, 10th graders solve and complete 12 different problems that include defining similar and 3 similar statements using only sides and angles. First, they determine if each pair of triangles shown are...
Curated OER
Proportional Reasoning: Ratio Applications
In this ratio applications worksheet, 8th graders solve and complete 24 various types of problems that include proportional reasoning. First, they solve each pair of similar figures for the given variable. Then, students write and solve...
Noyce Foundation
Snail Pace
Slow and steady wins the race? In the assessment task, scholars calculate the rates at which different snails travel in order to find the fastest snail. Hopefully, your class will move much more quickly in finishing the task!
Curated OER
Properties of Angles, Lines, and Triangles
In this properties of angles, lines and triangles activity, 10th graders solve and complete 28 different problems that include determining the measurement of various figures shown. First, they use the geometric properties and theorems to...
Curated OER
Let's Count! (Teachers' Page)
Learners practice counting using a website "Let's Count". They point to each object and count and pull down a tab to check their answers.
Curated OER
Modeling the Keeling Curve with Excel
In this modeling the Keeling Curve worksheet, students use given data beginning in 1960 to create a mathematical model for the changes in atmospheric carbon dioxide over time. Students manipulate the equation to predict the carbon...
Math Mammoth
Calculating Angles in a Triangle 2
In this geometry activity, learners calculate unknown angles in diagrams of 3 triangles. They draw and answer short answer questions about angles. They then calculate the designated angles in 2 more diagrams.
Curated OER
Sum of Integers
In this sum of integer worksheets, students formulate and prove the sums of cubes. They explore a quadratic polynomial, cubic polynomial and solve with systems of equations. This two-page worksheet contains eleven problems.
Curated OER
Counting by Ones
Learners participate in teacher-led demonstrations and use manipulatives to count the numbers one through ten out loud.
Curated OER
Introduction: What Time Is It?
In this time instructional activity, learners draw the minute and hour hand to depict a given time. Examples and explanations are provided at the beginning of the instructional activity. This one-page instructional activity contains...
Curated OER
Introducing Linear Terminology
Ninth graders graph linear equations and inequalities in two variables and then, they write equations of lines and find and use the slope and y-intercept
of lines. They use linear equations to model real data and define to define the...
Houghton Mifflin Harcourt
Similar Polygons and Circles
In these similar polygons and circles worksheets, students complete 15 questions including 9 word problems regarding similar polygons. Students then complete 15 questions including 1 word problem involving circumference, area, and arc...
Curated OER
Trading Pennies and Dimes
Second graders, while in the computer lab, explore the strategy of making and grouping to ten. They assess how to trade pennies for dimes and create original word problems along with corresponding number sentences to illustrate grouping...
Curated OER
Functions
In this functions worksheet, students determine whether a correspondence is a function. They graph given functions. Students examine graphs and identify functions. This two-page worksheet contains 22 problems.
Curated OER
Geometry Angles
In this geometry angles worksheet, 10th graders find and solve 22 problems related to determining the measure of various angles. First, they determine the measure of each angle in the first figure if lines p and q are parallel. Then,...
Curated OER
Simplest Form
In this simplest form worksheet, 9th graders solve and complete 28 different problems that include solving a puzzle. First, they determine the simplest for each expression given in the adjacent answer column. Then, students write the...