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...

The lesson plan provides a richly detailed narrative and sample problems for teaching or reinforcing how to work with percentages. In particular, your audience will compute the costs per serving of food and simulate setting menu prices...

How can you tell if a number of items is reasonable? Combine math and language arts with a fun lesson based on Jeff Shepard's The Right Number of Elephants. After reading the book, kids discuss amounts of other items and create...

Visual models support young mathematicians with exploring equivalent fractions. Starting with a quick warm-up problem, children go on to work through a series of guiding practice problems before working with a partner identifying and...

Graphing all kinds of situations in one and two variables is the focus of this detailed unit of daily lessons, teaching notes, and assessments. Learners start with piece-wise functions and work their way through setting up and solving...

Have young mathematicians subtracting fractions in no time with this manipulative-based math lesson. Using their sets of fraction circles, students explore a number of word problems involving the subtraction of fractions before working...

They say you can interpret statistics to say what you want them to. Teach your classes to recognize valid experimental results! Pupils analyze experiments and identify flaws in design or statistics. 

Do properties of equations hold true for inequalities? Teach solving inequalities through the theme of properties. Your class discovers that the multiplication property of equality doesn't hold true for inequalities when multiplying by a...

Teach how graphic designers can use mathematics to represent three-dimensional movement on a two-dimensional television surface. Pupils use matrices, vectors, and transformations to model rotational movement. Their exploration involves...

Teach your class about various approaches to solving the problem of maximizing the area of a rectangle space with a fixed perimeter in the context of a farmer's dog pen. Then, they complete a worksheet independently to summarize the...

Integrate history, math, and art into a study of The Grapes of Wrath with a series of activities that ask learners to investigate the social, political, economic, and environmental factors at play during the 1930s. Designed to be used...

Long considered the symbol of safe harbor and steadfast waiting, the lighthouse gets a mathematical treatment. The straightforward question of distance to the horizon is carefully presented, followed by a look into the...

Learn the stories a formula holds. An interesting lesson takes a unique approach to teach how to use formulas. Beginning with a formula, learners predict what the variables stand for and then use the formula to make calculations and tell...

Help young mathematicians make cents out of the US currency system with this two-part math activity. Children first learn the names and values for each type of coin, before learning to count and compare the values of coins using the...

Learners examine objects and find their volumes using geometric formulas in the 21st installment of this 25-part module. Objects take the shape of truncated cones and pyramids, and individuals apply concepts of similar triangles to find...

Plant growth experiments offer rich, cross-curricular learning opportunities that can really excite and engage young learners. In this series, children work in pairs planting, measuring, and comparing the height of bean plants in order...

Engage young mathematicians in learning about fractions with this cross-curricular math and music activity. After listening to and repeating different beat patterns, children realize that musical notes are just another way of...

Young mathematicians fold and flick their way to a deeper understanding of statistics with a fun, hands-on math unit. Over the course of four lessons, students use paper footballs to generate data as they learn how to create line...

Break out those math manipulatives, it's time to teach about area! Capturing the engagement of young mathematicians, this three-lesson series supports children with learning how to measure the area of squares, rectangles, and other...

Have a hopping good time teaching your class how to collect and graph data with this fun activity-based lesson series. Using the provided data taken from a frog jumping contest, children first work together...

Breaking the law in math doesn't get you jail time, but it does get you a wrong answer! After developing the Law of Sines and Cosines in lesson 33 of 36, the resource asks learners to apply the laws to different situations. Pupils must...

Welcome your math or other class with a visually pleasing poster. The message, written with a variety of lovely fonts, is split up over four pages. While one page starts with mathematicians, that particular page could easily be removed...

Twelve math lessons take kindergartners through the process of number sense and counting. The skills range from counting to ten, filling out ten frames, indicating ordinal position of an object, and counting by fives and tens to one...

Add another strategy to the toolboxes of young mathematicians with this elementary math activity on using number lines to add and subtract fractions.