National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Determining Triangle Similarity
Dr. Math responds to a question about how to determine if two triangles are similar. The Dr. goes into detail about the process and gives several examples that are worked out for you.
Khan Academy
Khan Academy: On Grade Support and Eureka Math / Engageny
An explanation of how to use our curated resources for Eureka Math / EngageNY in 3-8 grade math classrooms.
Khan Academy
Khan Academy: Find a Missing Side Length When Given the Perimeter
In this exercise, students will learn how to find the length of one side of a polygon when the perimeter is given. Students receive immediate feedback and have the opportunity to watch a tutorial video, get hints, and try questions...
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Area Builder
Create shapes using colorful blocks, and explore the relationship between perimeter and area. CCSS.Math.Content.3.MD.C.7.a Find the area of a rectangle with whole-number side lengths by tiling it
Other
Resources for Implementation
This website provides information about and tools and resources to support the Common Core State Standards for Mathematics (CCSSM).
Doina Popovici
Math Play: Properties of Operations Math Racing Game
Test your math vocabulary for properties of operations in this online car racing game.
University of Minnesota
University of Minnesota: Math Insight: Multiplying Matrices and Vectors
A clear explanation of how to multiply a matrix by a vector and a matrix by a matrix. A follow-up page provides additional examples.
Illustrative Mathematics
Illustrative Mathematics: A rei.c.6: Accurately Weighing Pennies Ii
This illustrated math lesson shows how important levels of accuracy in measurement are. The answer can be different since a scale only accurately weighs to the nearest tenth of a gram instead of to the nearest hundredth of a gram. Aligns...
CK-12 Foundation
Ck 12: Inverse Matrices
[Free Registration/Login may be required to access all resource tools.] A collection of resources that teaches students that the zero and identity matrices play a role in matrix addition and multiplication similar to the role of 0 and 1...
Learning Wave Communications
Learning Wave: Commutative and Associative Properties of Multiplication
This resource provides information about the commutative and associative properties of multiplication.
Clark University
Clark University: Dave's Short Trig Course: Complex Numbers: Absolute Value
Contains detailed information on absolute values for complex numbers.
Learning Wave Communications
Learning Wave: Commutative & Associative Properties of Addition
This resource provides information about commutative and associative properties of addition.
Wyzant
Wyzant: Combining Like Terms
Provides a thorough step-by-step approach to combining like terms. Takes the student through important vocabulary used, as well as examples to help explain the topic. Several pages of notes are offered along with relevant links at the end.
Khan Academy
Khan Academy: Polar and Rectangular Forms of Complex Numbers
Given a complex number in rectangular form, write it in polar form. And given a complex number in polar form, write it in rectangular form. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a...
Khan Academy
Khan Academy: Divide Polynomials With Remainders
Rewrite rational expressions of the form a(x)/b(x), where a(x) and b(x) are polynomials, in the form q(x)+r(x)/b(x), where q(x) and r(x) are polynomials and the degree of r(x) is less than the degree of b(x). Students receive immediate...
Khan Academy
Khan Academy: Divide Polynomials by Monomials (With Remainders)
Rewrite rational expressions of the form a(x)/b(x), where a(x) is a polynomial and b(x) is a monomial, in the form q(x)+r(x)/b(x), where q(x) and r(x) are polynomials and the degree of r(x) is less than the degree of b(x). Students...
Khan Academy
Khan Academy: General Triangle Word Problems
Solve word problems that involve general triangles using trigonometry. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Dividing Fractions Word Problems
Practice solving word problems by dividing fractions by fractions. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Other
Milwaukee Public Schools: Standard k.cc.4.c: Intervention Activity: Add One
Observe students while they complete the following sheet to see how they discuss and match the numbers with the visual representation. Included is a score sheet to record data.
Purple Math
Purplemath: Completing the Square: Solving Quadratic Equations
Purplemath gives several examples which clearly show the process of completing the square to find the maximum and minimum solutions to a quadratic equation.
Illustrative Mathematics
Illustrative Mathematics: N q.a.3, N q.a.1, N q.a.2: Weed Killer
The principal purpose of the task is to explore a real-world application problem with algebra, working with units and maintaining reasonable levels of accuracy throughout. Aligns with N-Q.A.3, N-Q.A.1, and N-Q.A.2.
Illustrative Mathematics
Illustrative Mathematics: N q.a.1, a ced.a.1, and N q.a.2: Harvesting the Fields
This task is about farm-workers who are harvesting two fields. Students are presented with a scenario involving two teams of workers, two different sizes of fields, and work spread out over two days. They must calculate how many...
Illustrative Mathematics
Illustrative Mathematics: A Sse Radius of a Cylinder
Given the height and volume of a certain cylinder, Jill uses the volume formula to compute its radius. If a second cylinder has the same volume as the first, but is 100 times taller, what is its radius? Aligns with A-SSE.A.1.
Illustrative Mathematics
Illustrative Mathematics: A Sse Mixing Fertilizer
A landscaping company prepares two mixtures of fertilizer. In this task, students investigate what happens to the value of an expression when a quantity is changed. Aligns with A-SSE.A.1 and A-SSE.A.1.b.
Other popular searches
- Common Core Math
- Common Core Math Lessons
- Math Common Core Lesson Plans
- Math Common Core Standards
- Common Core Kindergarten Math
- Common Core Math Fractions