West Contra Costa Unified School District
Modeling Division of Fractions
Introduce young mathematicians to the process of dividing fractions with a hands-on math lesson. Using the help of fraction strips and other visual models, children work through a series of example problems as they...
Curated OER
Divisor The Great! (Divide by Two-Digit Divisors)
Manipulatives make learning division easier! Your class will discover the difference between dividing with one- and two-digit divisors, and practice the procedures for each using the standard algorithm. They will use estimation to ensure...
Curated OER
Alternative Algorithms
Analyze algorithms for computing with rational numbers and develop fluency in their use with your math class. They work individually to solve the problems on the "Alternative Algorithms" sheet. Then, they analyze the appropriateness of...
Curated OER
Division of Whole Numbers
Young scholars divide two-digit numbers by one-digit whole numbers. Using a specified website, they play complete standard division algorithms. Students receive immediate feedback on the website. In addition, they complete problems on...
Curated OER
short Division
Fourth graders practice division through a timed test. In this short division lesson, 4th graders recognize the benefit of using short division. Students complete a short division worksheet.
Curated OER
Models and Algorithms to Solve Multiplication Problems
Students choose the correct strategy to solve multiplication and division. In this algorithm instructional activity, students use at least two strategies that use properties of operations and estimation. Students also recognize the...
Ohio Department of Education
Models for Dividing Fractions - Grade Six
Fifth and sixth graders use food and candy to help them represent division of fractions and develop algorithms to solve fraction problems. They discuss dividing whole numbers by fractions. Pupils use sticks and chocolate bars to...
Curated OER
Operations with Positive Fractions and Decimals
Explore the concept of fractions and decimals! In this fractions and decimals instructional activity, pupils use fraction tiles to express fractions. They play a fraction review basketball game where when a team gets a question correct...
Curated OER
Partial Products
Third graders study partial-products algorithms. In this math instructional activity, 3rd graders use an algorithm to find the product of factors. Students discuss the relationships between multiplication and division.
Curated OER
Exploring Multiplication and Division at a Party
Learners solve multiplication and division problems using Unifix cubes. They explore multiplication and division through equal grouping of objects and sharing. Students discuss the task they completed and share how they completed the...
Curated OER
Minutes and Days
Elapsed time is a skill developed by the single question that is the center of this activity. Fifth graders are asked to find out the time that is 2011 minutes after the beginning of 2011. This question addresses the standard that...
Gecko Mathematics
Gecko Mathematics: Multiplying Unit Fractions
Make learning visible! Have your mathematicians follow along as you use paper strips to demonstrate the concept of multiplying unit fractions. Then, offer a different way of solving the problem using a number line. Finally, introduce the...
Curated OER
Finding Fractional Parts Using an Area Model
Students explore math functions by completing a problem solving worksheet in class. In this division instructional activity, students utilize visual aides such as marshmallows and candy to visualize the act of division. Students complete...
Curated OER
Cooking with Math
Fourth graders practice multiplication and division with cooking recipes. In this math lesson, 4th graders look at a recipe and change it so that it works for twice as many people or half as many people.
Curated OER
Practicing Arithmetic
Students practice single operation arithmetic ranging from single digit addition to long division of decimals or real numbers using Graphit. They use data sets and rules to graph ordered pairs.
Curated OER
Multiplication: A Treasure Hunt to Two and Three Digit by One Digit Multiplication
Here is a math lesson which has learners practice multiplying two and three digit numbers by one digit numbers. They discuss multiplication strategies and use those strategies to play a game.
Curated OER
Students' Strides
Complete problems using base ten blocks to see the difference in the place value of a decimal and how it affects a number's value. Learners compare decimal values as well. Ample time for discussion and modeling are allowed in the...
Curated OER
Adding and Subtracting Fractions and Mixed Numbers
Elementary schoolers participate with their teacher's instruction to learn to add and subtract fractions and mixed numbers. They use fraction strips to complete addition and subtraction problems. A step-by-step script is provided to help...
Curated OER
Fraction of a Number
Students explore how to multiply fractions using color tiles. They use the appropriate strategies for the multiplication of fractions. Students use 40 color tiles to practice multiplying fractions. They practice using various fractions...
Curated OER
Dream Car Math
Students collect car cost comparison data from the "Car Wizard" web site to use as problem solving and for calculations related to math.