Illustrative Mathematics
Placing a Square Root on the Number Line
There are many ways to approach finding the rational approximation of an unknown square root. Here is a problem that will help math learners make a connection between square roots and their order on a number line. As usual, determine two...
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Math Games for Upper Elementary Students
Keeping skills sharp doesn't have to be a chore. It can be done with math games.
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Making Cents of Division
Third graders use pennies as manipulatives to solve simple division problems. They create division number sentences to correspond with each exercise. This is a good, hands-on way to teach the concept of division.
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Replacement and Probability
Students explore sampling with and without replacement. They explore the effects on the probability of drawing a desired object. Students examine probability and the difference between sampling with and without replacement.
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Subtraction and Addition Word Problems Made Easy
Third graders create addition and subtraction word problems for a partner to solve using marbles. They explain whether the problem is an addition, subtraction, "take away", "have and need", compare or "what is the rest" type problem.
Teacher Created Resources
PEMDAS: Order of Operations
Learners complete algebraic equations. They learn the algebraic order of operations and the acronym, PEMDAS, to help them remember the correct order of operations. Pupils complete algebraic equations using the order of operations.
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Popcorn
What a great way to have your kids practice odd and even number recognition. They play the game called "Odd and Even Popcorn," to practice odd and even numbers.
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Cuisenaire Mats
First graders use Cuisenaire rods to study the mathematical symbols =, <, > for the relationships is equal to, is less than, and is greater than. They use the rods to show visual explanations of common number combinations.
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Expressions and Equations
Develop understanding of algebraic expressions and equations by having your class define examples of each. The class discusses how parentheses affect the order of operations and learn how to solve for x. A variety of examples are used.
Missouri Department of Elementary
Relationships…Quality Control
Quality relationships don't just happen. They require nurturing, patience, thoughtful communication, and honesty. Help tweens develop these relationship skills with an activity that asks them to themselves and then outline a...
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Math Combinations
Students examine how to use lists, tables, and tree diagrams to solve math combinations. They create various combinations of outfits using clothing manipulatives, watch an episode of the PBS series Cyberchase, and play an interactive...
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ExplorA-Pond:4th Grade Perimeter Estimation
Fourth graders visit a real pond. They mark the pond's curvilinear perimeter using string. They measure the string to find the actual perimeter of the pond.
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The Beauty of Number Patterns
Teaching your child about patterns can be a fun and motivating experience.
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Order of Operations
Students analyze the Order of Operations. They play a game to explore Order of Operations and observe a PowerPoint presentation slide sow. They generate patterns and functions to represent and solve problems. Students model and solve...
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You do! We do! We all Scream for Haiku!
Haikus offer a way to explore new ideas for teaching poetry, science, and math.
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Fact Families
Fifth graders explore fact families. They solve simple math problems. Students determine which mathematical property is used to solve the given problem. They are given five minutes to complete as many mathematical facts as possible.
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The Anaconda
Students examine basic facts about the anaconda. They discuss the length of an anaconda, estimate the length of 33 feet, compare their estimate to the actual length, and decorate the paper snake with colored scales.
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Subtract Positive and Negative Integers
Review the concept of subtracting positive and negative integers. Learners review the rules for subtracting integers, use manipulatives to visualize the process, and complete an assessment.
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Multiplying by 3
Second graders practice the multiples of three as an introduction to multiplying by three.
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It Has to Balance
Second graders use a price list and balance sheet to plan for a day of fun at the beach. They consider expenses, income, and balancing of resources.
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"The Grapes of Math" by Gregg Tang
Students practice mental addition and use the associative and commutative properties of addition to solve problems.
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Prime and Composite Numbers
Fifth graders investigate the concepts of composite and prime numbers. They factor different numbers and determine the number of factors for each. Based upon this information the number is declared prime or composite.