Other
Nz Maths Problem Solving Lesson Plans: Level 1
NZMaths, a New Zealand teacher resource, provides lesson plans for students in algebra, geometry, measurement, numbers, statistics, logic and reasoning.
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Solving Linear Systems by Substitution
Twenty-seven problems present a variety of practice solving linear systems by substitution. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View...
Better Lesson
Better Lesson: Solving Subtraction Number Stories Writing the Answer Lesson Plan
Students will be able to solve subtraction word problems using objects and write a numeral for the solution.
US Department of Education
Helping Your Child Learn Math: Math on the Go
Parents and children explore math in the world around them in this collection of math activities. Simple, engaging, and fun, these lessons offer learners the opportunity to discover math even when they're "on the go." An excellent...
Annenberg Foundation
Annenberg Learner: Math in Daily Life
Read about what math has to do with cooking, chances of winning a game, even decorating your home. Teachers may want to peruse this site for ideas about real world applications in their lesson planning.
Beacon Learning Center
Beacon Learning Center: Cameron's Trip
Students solve multiplication and division real-world problems in this interactive web lesson.
Wyzant
Wyzant: Solve by Factoring
This resource examines how to solve equations by factoring and provides step-by-step solutions. Includes links to an equation calculator and practice problems.
University of Waterloo (Canada)
Centre for Education in Mathematics and Computing: Ratio and Rate [Pdf]
Learners explore the concepts of rate and ratio in a variety of problem-solving situations. Worksheets contain definitions and visual representations of concepts. Link to related ratio game. Other skills include measurement, data...
NumberNut
Number Nut: Let Math Begin With Addition
This introductory addition lesson, explores the relationship between adding and number patterns using a number pyramid designed by mathematician Carl Gauss. A short lesson with interesting facts and links to related games for practicing...
University of Nottingham
Mathematics Assessment Project: Modeling Population Growth: Having Kittens
This activity unit guides students in developing strategies for modeling problems. The task focuses on investigating a cat shelter's claims about the rate of cat population growth. The unit includes a full lesson plan, examples of...
Better Lesson
Better Lesson: What Is the Action of the Problem?
First graders work towards CCSS.MP1: Make sense of and persevere through problems with this introductory instructional activity. Students learn to visualize what is happening in the problem.
Other
Helping With math.com: Ratios and Unit Rates
This site contains a lesson about ratios and unit rates as well as guided and independent practice for learners to review the skills.
Purple Math
Purplemath: Basic "Percent Of" Word Problems
Demonstrates how to set up and solve 'percent of' word problems such as 'What percent of 16 is 5?'.
Other
Nearpod: Addition & Subtraction Strategies
In this lesson, students will relate counting to addition and subtraction and will learn several strategies for solving addition and subtraction problems.
Rice University
Rice University: Cynthia Lanius: Algebra Fun With Calendars
A fun algebraic problem involving a calendar. Discussion, solution, and follow-up problem are included.
PBS
Pbs: Greatest Common Factor
In this video, learn how to find the greatest common factor of two numbers. Then, see how this can be used to solve problems with large numbers. In the accompanying classroom activity, students learn to find prime factors using factor...
PBS
Pbs: The Lowdown: Defining and Calculating Percents
Explore methods for calculating and comparing discounts in this video from KQED. In the accompanying classroom activity, students develop different strategies for calculating and comparing discounts, including percent off a price,...
CK-12 Foundation
Ck 12: Geometry: Laws of Sines and Cosines
[Free Registration/Login may be required to access all resource tools.] This concept teaches students to find missing sides and angles in non-right triangles using the Laws of Sines and Cosines.
CK-12 Foundation
Ck 12: Geometry: Pythagorean Theorem and Pythagorean Triples
[Free Registration/Login may be required to access all resource tools.] Apply the Pythagorean Theorem and its converse. Includes videos, exercises, links to interactive activities, etc.
Alabama Learning Exchange
Alex: Density
Density is the ratio of mass to volume. Density will be introduced to students by a demonstration of coke verses diet coke. The teacher will then solve density problems for the students on the board. The class will then complete a lab on...