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CK-12 Foundation
Prime and Composite Numbers
Nine true or false, multiple-choice, and discussion questions make up an interactive designed to reinforce scholars' knowledge of prime and composite numbers. A number chart reveals every prime number through 100.
CK-12 Foundation
Values Written as Powers: Binary Numbers 25 to 31
A five-question interactive boosts proficiency in working with binary numbers. Multiple-choice, short answer, and discussion questions challenge mathematicians to write numbers 25 through 31in exponential and binary form. An adjustable...
CK-12 Foundation
Mental Math to Multiply by Whole Number Powers of Ten: The Rule for Tens
Eight questions challenge scholars to use mental math while multiplying whole numbers by powers of 10. A tool with bouncing decimals demonstrates how and where the decimal moves. Question types include several multiple-choice, a...
CK-12 Foundation
Estimation of Whole Number Multiplication and Division: Lettuce Garden
Estimating whole number multiplication and division is the focus of an interactive that uses a garden plot with moveable points to answer six questions.
Core Knowledge Foundation
Early Presidents and Social Reformers
A unit by Core Knowledge begins with information about early United States presidents. Pupils then explore social reformers such as Sojourner Truth and Frederick Douglas, abolitionism, women's rights, and more. Participants listen and...
CK-12 Foundation
Add and Subtract Three Mixed Numbers: Walking to School
Mixed numbers are the focus of a five-question interactive. Scholars move fraction pieces into strips and equations to find solutions. Questions challenge participants with multiple-choice, a true or false, and one discussion.
Baylor College
Water: The Math Link
Make a splash with a math skills resource! Starring characters from the children's story Mystery of the Muddled Marsh, several worksheets create interdisciplinary connections between science, language arts, and math. They...
Curriculum Corner
Number Family Practice Page
Using their knowledge of the associative and commutative properties of addition, class members work with fact families to create two addition and two subtraction problems with three given numbers.
Curated OER
Native Americans of the Chesapeake Bay: Using Primary vs. Secondary Sources
Discover the rich Native American culture that existed at the time of early European exploration into the Chesapeake region through analysis of several primary and secondary sources.
CK-12 Foundation
Numbers with Decimal Place Value: Battleship Decimals
Decimal place value is the topic of a Battleship themed-interactive. Scholars answer five questions—multiple-choice and true or false—while referencing a grid that acts as the board game. The practice concludes with a discussion...
Curated OER
The Multiplier (small 2-digit by 1-digit numbers)
Second graders study digits in 2- or 3-digit whole numbers. They write and solve story problems which involve whole numbers, using addition, subtraction, multiplication, or division.
Houghton Mifflin Harcourt
Unit 8 Math Vocabulary Cards (Grade 6)
Additive inverse, expression, and irrational numbers are a few terms you'll find when you use a set of 22 flashcards designed to reinforce math vocabulary. The set includes two types of cards; a bold-faced word card, and a corresponding...
West Contra Costa Unified School District
Simplifying Fractions Activity
Warm-up pupils' fraction muscles with a four-question quiz, then delve into a learning game designed to reinforce the concept of simplifying fractions. Based on the "I do, We do, You do" method of teaching, the lesson directly...
West Contra Costa Unified School District
Decimals and Fractions
Reinforce the concept of fractions and decimals as part of a whole with a instructional activity that begins with a mixed review, then goes into a three problem guided practice, and ends with a collaborative activity. The guided practice...
Curated OER
Adding Two-digit Numbers Using Dimes and Pennies
First graders study money. In this addition lesson, 1st graders count and add two-digit numbers using dimes and pennies.
Curated OER
Estimating Solutions
Finding approximate solutions to word problems allows users to assess the reasonableness of their answers. In a well-paced lesson, the class rounds numbers to estimate the solutions. They explain their thinking and determine if the...
CK-12 Foundation
Addition of Integers: Number Blocks
A five-question interactive provides a horizontal number line where integers are stacked on top of one another to find solutions of addition problems. Mathematicians move numbers to the numbers line, as numbers build higher, the sum of...
CK-12 Foundation
Division of Fractions: Stacking Berets
Seven questions make up an interactive designed to boost mathematician's skills in dividing whole numbers by mixed fractions. Practice comes with a visual aid with movable parts. Questions types include fill in the blank,...
CK-12 Foundation
Subtraction of Fractions: Fragmented Fractions
An interactive challenges scholars to subtract mixed numbers. Pupils answer questions—multiple-choice, fill in the blank, and true or false—with help from virtual fraction strips. The practice closes with a discussion.
Curriculum Corner
Number Family Cards
Sixteen number families test young mathematicians' knowledge of the commutative and associative property of addition. Pupils list four problems—two addition and two subtraction—related to a given set of three numbers.
Bright Hub Education
Math Lesson for Visually Impaired Early Learners: A 3 Way Counting Activity
A unique lesson that's designed for visually impaired early learners, but can be adapted for anyone, is here for you. Pupils use brightly colored foam letters, beads, checkers, and an abacus, in order to gain practice in identifying the...
World Wildlife Fund
Take 6
Investigate the various properties of the number six with this elementary math lesson. From simple addition, subtraction, multiplication, and division problems to the creation of hexagonal tessellations, this lesson covers all aspects of...
Coloring Squared
Halloween Ghost Advanced Division
Get in the Halloween spirit and practice math skills with a color-by-numbers learning exercise that—when all division problems are solved—uncovers a ghost appearing behind a gravestone that reads R.I.P.
Curated OER
Agriculture Counts
Students practice counting. In this early numbers lesson, students learn about the beginnings of agriculture and how it ties into math. Students practice counting objects related to agriculture.