American Heart Association
Pi Day
Did you know a mathematician's favorite dessert is a fruit "pi"? By participating in a fruit cutting activity, young mathematicians realize one constant—the ratio of a circle's circumference to its diameter is always pi. It is a perfect...
Curated OER
Finding the Area of Polygons
Third graders are exposed to finding the area of polygons by decomposing figures and recomposing them into rectangles. This strategy allows children to expand on their prior knowledge of constructing shapes by rearranging parts into...
Illustrative Mathematics
Frog and Toad on the Number Line
Administer a learning activity that challenges your class to use a number line in the form of lily pads. Learners are instructed to display the number of hops that Toad and Frog take during their journey on a number line. Young...
Math Drills
Autumn Ratios
Bring fall to your math class this year with a seasonal worksheet! Learners practice writing and simplifying ratios with a proportions worksheet that uses colorful autumn foliage to represent each figure.
Old Dominion University
Introduction to Calculus
This heady calculus text covers the subjects of differential and integral calculus with rigorous detail, culminating in a chapter of physics and engineering applications. A particular emphasis on classic proof meshes with modern graphs,...
University of Adeaide
Basic Trigonometry and Radians
A fabulous set of examples and problems that introduce basic trigonometry concepts, this packet is set apart by the care it takes to integrate both radians and degrees into the material. After defining radians, the author demonstrates...
Project Maths
Introduction to Trigonometry
The topic of trigonometric ratios is often covered with loads of rote memorization baked into the activity. This activity set, however, leans more on using similar triangles and discovery learning to help young geometers develop a deeper...
Schoolcraft College
Trigonometry
This trigonometry textbook takes the learner from a basic understanding of angles and triangles through the use of polar coordinates on the complex plane. Written by a mathematician-engineer, examples and problems here are used to...
Benjamin Franklin High School
Saxon Math: Algebra 2 (Section 9)
Section 9 of the 12 linked Saxon Math sections introduces the young algebrist to graphing periodic functions, creating graphs from quadratic roots, working with inequalities, and rational equations. Common among all the lessons is the...
Benjamin Franklin High School
Saxon Math: Algebra 2 (Section 4)
This fourth of twelve units in a series continues the investigation of functions through equations and inequalities. However, the modular nature of the lessons in the section make this an excellent resource for any curriculum...
Benjamin Franklin High School
Saxon Math: Algebra 2 (Section 3)
In this third of a twelve-part series, the focus moves from using matrices to solving systems of equations with substitution and elimination, including more than two dimensions and variables in equations, and analyzing statistical data....
Benjamin Franklin High School
Saxon Math: Algebra 2 (Section 1)
This first of twelve algebra 2 resources provides a broad review of many algebra 1 concepts through a number of separable lessons and labs. Starting with the real number system and its subsystems, the sections quickly but thoroughly...
Whitman College
Calculus - Early Transcendentals
This textbook takes the learner from the basic definition of slope through derivatives, integrals, and vector multivariable calculus. Each section is composed primarily of examples, with theoretical introductions and explanations in...
Houghton Mifflin Harcourt
Addition Match-Up
Math wizards practice adding fractions with unlike denominators on this simple matching instructional activity. Presented with ten addition expressions, children must calculate the sum of each and match them to...
Math Learning Center
Grade 1 Supplement Set A4 – Number and Operations: Equivalent Names
Engage young mathematicians in developing their basic arithmetic skills with these great hands-on activities. Using Unifix® cubes to model a variety of single digit addition and subtract problems, children build a basic...
Math Worksheets 4 Kids
Fractions into Decimal and Percent
Why was the fraction skeptical about marrying the decimal? Because he would have to convert! This worksheet provides much needed practice for young mathematicians to convert fractions into decimals and percents.
NASA
Freshwater Availability Classroom Activity
This science assignment produced by NASA teaches inquiring minds the distribution of Earth's water. Learners will appreciate and understand the importance of fresh water and how weather and climate affects everything.
Math Worksheets 4 Kids
Percent into Fraction
Young mathematicians show what they know about converting percents to fractions. A simple resource, one page, 18 problems, answer sheet included. Links to additional resources are provided for your early finishers or extended learning...
National Research Center for Career and Technical Education
Costing
Your young business men and women discover that selling what they make at a profit is the key in running a business. Learners practice the contextual math needed in the CTE instructional activity; then apply their percent proportion...
Nebraska Department of Education
Curriculum For Careers
Learners explore potential learning, earning, and living goals that align with their personal goals and interests in a comprehensive unit that includes complete lesson plans, interactive notebooks, worksheets, overheads, rubrics,...
K-5 Math Teaching Resources
24 Hour Number Line
Learning to calculate elapsed time can be a struggle for young mathematicians. Help your class overcome this hurdle in their learning with these simple 24-hour number lines that start at 12 midnight, pass through 12...
K-5 Math Teaching Resources
Blank Number Lines Template
It's no secret that number lines are one of the most useful tools for elementary math teachers. Offering a series of six separate number lines of differing scales, this versatile template can be used when teaching about...
K-5 Math Teaching Resources
Blank Bar Graph Template
This template is just begging for your young mathematicians to fill it in with colorful bar graphs! With horizontal and vertical axes in place and grid lines for added support, this is a great resource for teaching children how...
NYSU
Understand a Fraction as a Number on a Number Line
Piece by piece young scholars build a basic understanding of fractions in a Common Core-designed elementary math lesson. Through a series of hands-on activities and journaling exercises, and with the help of multiple...