Houghton Mifflin Harcourt
Developing Formulas for Circles and Regular Polygons
Formulas and procedures for finding the area and circumference are not provided on this handout, so it will be best used as a practice of already-acquired skills. It is a well-rounded assignment, however, as it includes diagrams,...
Region of Peel
Put Me in Order
Sorting fractions, integers, decimals and square roots into sequential order is an active process when you use a gym as your setting. After your class is divided into two groups and provided with number cards, they compete to see who can...
American Statistical Association
How Long is 30 Seconds?
Is time on your side? Pupils come up with an experiment to test whether their classmates can guess how long it takes for 30 seconds to elapse. They divide the class data into two groups, create box-and-whisker plots, and analyze the...
Illustrative Mathematics
The Stamp Collection
By using language like "half of the stamps," children are exposed to patterns in arithmetic that requires solving a two-step word problem. This type of language opens a new door for transitioning learners toward understanding fractions...
Curated OER
Comparing Fractions
Learners compare three sets of fractions using the greater than, less than, and equal signs. To justify their answers, a drawing is also required that illustrates their reasoning. Including fractions with like and unlike denominators, as...
Illustrative Mathematics
Molly's Run, Assessment Variation
Part of as assessment series, the activity follows the lesson Molly's Run to practice ratios and dividing with fractions. Different solution options are given for your learners' preference. The commentary explains how the standards...
Lorain County Community College
Equations with Decimals
Test your mathematicians' skills with a instructional activity full of decimals and equations. The problems start simple with one-step equations and work up to multi-step equations with variables on both sides. The top of the...
Willow Tree
Arithmetic and Geometric Sequences
Old mathematicians never die; they just lose some of their functions. Studying sequences gives scholars an opportunity to use a new notation. Learners write functions to model arithmetic and geometric sequences and use them to find new...
Mathematics Vision Project
Module 4: Rational Functions
Time to study the most sensible function — rational functions! The seven-lesson unit develops the concept of a rational function through a connection to rational numbers and fractions. Scholars graph functions, solve equations, and...
Curated OER
Word Problems
Here is a very nice resource that presents 12 math word problems suitable for third and fourth graders. All four of the basic operations are used in these one-step problems. An answer key is provided on page two. This would make a very...
Curated OER
Angles
Fourth and fifth graders investigate angles and name them according to the criteria for obtuse, acute, and right angles. They examine a human-made yarn pattern on the floor of their classroom and identify angles, vertices, and types of...
Curated OER
Solving Problems and Puzzles 1
Plug in this presentation for a quick start to your day. The class reviews the 6 times tables how they relate to division and then work through patterns to build logical reasoning and sequencing skills. A wonderful warm up or problem...
Curated OER
Math Jeopardy: Basic Skills
Learners play a PowerPoint activity to be used as a review of basic skills for order of operations, and the operations of addition, subtraction, multiplication, and division for whole numbers, some fractional numbers and integers....
Curated OER
Solving Equations (Multiplication and Division)
Seventh graders, after explaining in writing the steps they would take to solve 4+x-2=6 as a warm up, solve multiplication/division equations using manipulative's. They generalize a method to problem solving with coins.
Curated OER
Dividing by Two-Digit Divisors
In this math worksheet, students collaborate with a "study buddy" or "coach" to learn to divide by 2 digit divisors. Students follow the steps to go through the long division process. There are 4 problems.
Curated OER
Functions
Fifth graders explore mathematics functions. In this functions lesson, 5th graders explore 1 and 2-step functions involving addition, subtraction, multiplication, and division. Students also practice solving problems that their...
Curated OER
Symbols in Algebra
Learners name and sketch numerical expressions. For this order of operation lesson, students add, subtract, multiply and divide using the correct order of operation. They perform four specific calculations for their motivation lesson.
Curated OER
Dividing Expressions
In this algebra worksheet, learners divide expressions and utilize exponent rules. There are 7 questions with multiple parts.
Curated OER
Math with Character
Students write math sentences to fit a given story. They recognize number families and discuss the character traits of a sharing and relate their feeelings and experience with sharing. The Doorbell Rang story is read and the students...
K12 Reader
Evaluating Efficiency
There's more than one way to solve a math problem! Introduce your class to this concept with a reading passage. After reading, learners answer five related questions.
Curated OER
Multiplying and Dividing Time
In this online math worksheet, middle schoolers practice their skills regarding multiplying and dividing measures of time. This excellent resource allows the students to check their answers, and to get "hints" should they run into...
Curated OER
Math Lesson: Rotational Symmetry
Students analyze lines of symmetry and rotational symmetry in designs. They practice dividing a shape along its line(s) of symmetry and discuss the relationship between lines of symmetry and number of sides as well as rotations.
Curated OER
Multiplication and Division with Arrays
Students practice the commutative property, create and manipulate arrays and multiply and divide numbers.
Curated OER
Applying Fraction Multiplication and Division to Recipes
Young scholars use recipes to practice their fraction multiplication and division skills by calculating the amounts of ingredients needed to make specific recipes. They use these fraction skills to convert small units of cooking measures...