Lesson Plan
EngageNY

Similarity and the Angle Bisector Theorem

For Teachers 9th - 10th Standards
Identifying and verifying reproducible patterns in mathematics is an essential skill. Mathematicians identify the relationship of sides when an angle is bisected in a triangle. Once the pupils determine the relationship, they prove it to...
Lesson Plan
EngageNY

Exploring the Symmetry in Graphs of Quadratic Functions

For Students 9th - 10th Standards
Math is all about finding solutions and connections you didn't expect! Young mathematicians often first discover nonlinear patterns when graphing quadratic functions. The lesson begins with the vocabulary of a quadratic graph and uses...
Lesson Plan
EngageNY

Applications of the Pythagorean Theorem

For Students 8th Standards
Examine the application of the Pythagorean Theorem in problem-solving questions. Pupils apply the theorem to find lengths when given different scenarios. They finish the 17th installment in an 18-part series by applying the theorem...
Lesson Plan
EngageNY

The Order of Operations

For Teachers 6th Standards
Future mathematicians learn how to evaluate numerical expressions by applying the order of operations. They evaluate similar-looking expressions to see how the location of parentheses and exponents affects the value. 
Activity
Illustrative Mathematics

Frog and Toad on the Number Line

For Teachers 2nd - 3rd Standards
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...
Lesson Plan
Illustrative Mathematics

The Physics Professor

For Teachers 8th - 12th Standards
Help mathematicians see that a formula found in a physics book has an algebraic structure. Though the formula given in the resource looks complicated, learners are to break down the expressions and interpret each part separately....
Lesson Plan
Curated OER

Measuring the Area of a Circle

For Teachers 6th - 8th Standards
When mathematical errors happen, part of the learning is to figure out how it affects the rest of your calculations. The activity has your mathematicians solving for the area of a circular pipe and taking into consideration any errors...
Lesson Plan
Curated OER

Great Graph!

For Teachers 2nd - 3rd
Here is a fantastic lesson counting coins, interpreting graphs, and the concept of "greater than" and "less than." Young mathematicians utilize worksheets embedded in the plan in order to practice these concepts. The worksheets are...
Interactive
CK-12 Foundation

Converse, Inverse, and Contrapositive

For Students 7th - 10th
Logically speaking, here is a great resource. Young mathematicians apply an interactive to consider the converse, inverse and contrapositive statements. Eight challenge questions assess understanding of the material.
Lesson Planet Article
Curated OER

The Witch of Agnesi

For Teachers 10th - 12th
Bring humanity to mathematics by introducing a mathematician who was ahead of her time.
App
Key Stage Fun

Squeebles Fractions

For Students 3rd - 5th Standards
We are not exactly sure what a Squeeble is, but apparently they love cake and fractions, and your little bakers-turned-mathematicians will also. This app focuses on the basics of fractions including modeling fractions, equivalent...
Lesson Plan
EngageNY

Cyclic Quadrilaterals

For Teachers 9th - 12th Standards
What does it mean for a quadrilateral to be cyclic? Mathematicians first learn what it means for a quadrilateral to be cyclic. They then investigate angle measures and area in such a quadrilateral.
Printables
Houghton Mifflin Harcourt

Unit 2 Math Vocabulary Cards (Grade K)

For Students K
Looking for some math vocabulary cards for young mathematicians? A set of 18 vocabulary cards is a great addition to a kindergarten math lesson. The top half of each sheet contains the word in bold text, while the bottom is a...
Activity
Joy Uzarraga

Famous American Research Project

For Teachers 2nd - 3rd Standards
Designed specifically for lower elementary pupils, this is a great biographical research project in which students research a famous American, and then design creative poster boards to help them "become" the famous...
Lesson Plan
EngageNY

Markup and Markdown Problems

For Teachers 7th Standards
There is a 100 percent chance this resource will help pupils connect percents to financial literacy. Young mathematicians use their knowledge of percents to find markups and markdowns in financial situations in the seventh segment in a...
Lesson Planet Article
Curated OER

Challenge your 4th-8th grade kids with the Math Olympiads

For Teachers 4th - 8th
Discover this great program for challenging and training advanced math learners.
Lesson Plan
Curated OER

The History of Mathematics

For Teachers 5th - 7th
Research the interrelationship between math and science. Search the Internet to discover the history of several branches of mathematics and make text-to-world connections between the concepts covered in each branch with related...
Worksheet
Lorain County Community College

Solving Equations Using the Addition Property

For Students 6th - 10th Standards
Challenge your mathematicians to simplify and solve a variety of different equations. This worksheet focuses on multi-step problems that begin with combining like terms and advance toward solving equations with variables on both sides. A...
PPT
Curated OER

The Angles

For Teachers 2nd - 3rd
A very cute presentation on the four types of angles can be found in this resource. Young mathematicians are introduced to obtuse, acute, right, and reflex angles. Charming stick figures are depicted using the angles. Great for use in...
Worksheet
DK Publishing

Choosing the Operation

For Students 3rd - 4th Standards
Which symbol goes here? Mathematicians often get confused between division and multiplication, so drill these skills with them. They examine 48 number sentences without a symbol, writing either the multiplication or division operation...
Lesson Plan
Illustrative Mathematics

The Escalator, Assessment Variation

For Teachers 5th - 7th Standards
A great way to practice with unit rates, the activity gives your mathematicians an opportunity to compare different statements and select which are true. They can practice with "choose all that apply" by setting each statement into its...
Interactive
Scholastic

Study Jams! Expanded Notation

For Students 3rd - 5th Standards
Teaching expanded notation is a great way to enhance young mathematicians' understanding of place value. This presentation explicitly describes the process, starting with the largest place value and working down, from left to right,...
Lesson Plan
Curated OER

Historical Mathematicians Project

For Teachers 5th - 12th
Students, in small groups, use the Internet and other traditional sources to research historically significant mathematicians, write a paper, and creatively present research in class.
App
Key Stage Fun

Squeebles Maths Bingo

For Students 1st - 4th Standards
The math monster has scared away all the ice cream parlor's customers and taken the ice cream ingredients. Only an accomplished math bingo player can save this ice cream business.