National Security Agency
Awesome Area - Geometry and Measurement
Break out those math manipulatives, it's time to teach about area! Capturing the engagement of young mathematicians, this three-instructional activity series supports children with learning how to measure the area of squares,...
Maths Blog
Adding/Subtracting Whole Numbers in Your Head
Exercise those mental math muscles! This worksheet contains 10 addition and 10 subtraction problems which require learners to compute sums or differences in their heads. A quick review at the top of the page provides a strategy based on...
Illustrative Mathematics
Extensions, Bisections and Dissections in a Rectangle
Gaining practice in translating a verbal description into a diagram and then an equation is the real point of this similar triangles exercise. Once the diagram is drawn, multiple methods are provided to reach the conclusion. An effective...
EngageNY
Computing Actual Lengths from a Scale Drawing
Class members take scale drawings and examine scales to determine distances in the actual objects. Pupils convert the scales of different units to scale factors that can be used in proportional equations.
Mathed Up!
Exchange Rates
Eleven questions make up an eight-page practice exercise that focuses on how to compute exchange rates. Money used is the American dollar, Euro, and British pound.
Curated OER
Estimate, Solve, and Check
Young scholars estimate, solve, and check a series of addition and subtraction number and word problems. They write their estimates on a recording sheet, compute and write the answer in the next column, and check their answer with a...
Curated OER
Computation with Real and Complex Numbers
In this computation with real and complex numbers activity, students use addition, subtraction, multiplication and division to solve 26 problems with complex numbers to win a bingo game.
Curated OER
Mental Math Counts
Students use mental math. They describe reasonable and unreasonable sums and differences. Students use mental math to find the sums and differences of addition and subtraction facts at random. They solve addition and subtraction facts...
Texas Instruments
TI-Nspire™ CAS
When it comes to rating educational calculators, this calculator is always near the top of this list. Now it's available as an app. There is a lot of calculator power wrapped up in this app. Not only is this a fully functioning...
Curated OER
Year 5, Term 2, Unit 9 - Day 1
A well-designed presentation can help your class with a variety of mathematical concepts. Pupils practice many different computational skills, such as addition, subtraction, finding multiples of 10, working with decimals, and solving...
Curated OER
4th Grade Math Study Guide
Fourth graders perform computation based on a cup of rice. In this rice math lesson, 4th graders complete math examples and problems using rice for manipulatives. Students participate in an online game based on rice math.
Curated OER
Rice Math
Fourth graders practice basic subtraction facts using a number grid. In this rice math lesson, 4th graders figure out how much more they need to get to a specific number. Students complete a chart of examples and then play a...
Curated OER
Multiplication Computation
In this multiplication instructional activity, students practice multiplying 20, three-digit whole numbers by three-digit whole numbers to find the products of each computation.
Curated OER
Math Maven Fractions
Students solve fraction mysteries. For this fractions lesson, students read Math Maven's Mysteries and use problem-solving and critical thinking skills to solve the mysteries.
Curated OER
Money Math: Lessons for Life
Learners explore money as it applies to salary, paychecks, and taxes. In this essential mathematics lesson, students explore how math is used in various careers, how income takes are calculated and other important life lessons in math.
Curated OER
Math Jeopardy
This math review PowerPoint jeopardy game quizzes students on the concepts of time, money and computation skills. This PowerPoint has varying problems ranging in difficulty. Students must choose a question and solve it for the most points.
Curated OER
Math Jeopardy
This math review PowerPoint reviews the concepts of money, measurement, fractions and computation skills. In this PowerPoint, students play a simulated game of Jeopardy and attempt to solve as many questions as possible for the most points.
Curated OER
Prime Time Math: Emergency
Eighth graders, while using Prime Time Math: Emergency software, use math and medical data to participate in the diagnosis of a girl. Just like the medical team in the story, they will be using math to respond to a medical emergency- a...
Curated OER
Math Mammoth End of the Year Test--Grade 1
In this first grade math assessment activity, 1st graders complete 22 math problems based on the topics that were taught in first grade. The topics include telling time, solving word problems and addition and subtraction computation skills.
Curated OER
A-Z Tech Math Final Exam Study Guide
In this math study guide, learners solve problems previously studied throughout the school year. Problems include, but are not limited to, volume, area, perimeter, square roots, binomials, trinomials, graphing, and consumer math. This...
Curated OER
Math Regents Exam Questions: Lesson 1-6 - Mean, Median, Mode and Range
In this mean and median activity, students examine given data and determine the measures of central tendency for the data. Students compute the mode, mean, median, and range of data. They create stem-and-leaf plots. ...
Curated OER
A Math Game for Reinforcing Computation Skills
Students practice a variety of math skills. In this math computation lesson, students follow the rules of the game and keep track of their own scores. Students review skills for addition, subtraction, multiplication and division.
Curated OER
Homerun Math
Students are arranged into two teams. Students practice math computation skills by solving different problems correctly and moving around "bases" that are set up in the classroom.
Curated OER
An Introduction to Data Reading and Computations
Learners discover data reading and computations. For this math lesson plan, students collect nutritional data about intakes of certain foods compared with daily recommended allowances. Learners create their own data charts based on their...