Rice University
Prealgebra
Pre-algebra—all wrapped up in one place. The eBook contains everything needed to teach a typical Pre-Algebra course. Concepts in the course build upon previously learned concepts, allowing mathematicians to see the connections between...
Rochester Institute of Technology
Skateboard Assembly - Cycle Time
Assemble a great lesson on assembly lines. In the first installment of a nine-part technology/engineering series, future entrepreneurs learn about the manufacturing process, specifically about the assembly line and cycle time. The lesson...
Virginia Department of Education
Properties of Real Numbers
Students use paper cups and colored chips to observe properties of operations with real numbers. As a class, students brainstorm and use manipulatives to demonstrate associative, commutative, distributive identity and inverse properties....
Meadows Center for Preventing Educational Risk, University of Texas at Austin
Lesson 10 - Compound Words
Individually, words have power, but when added together, they can take on a whole other level of meaning. Readers learn about compound words in the 10th of 17 lessons of the Word Recognition and Fluency series. A script provides guidance...
University of Colorado
Are All Asteroids' Surfaces the Same Age?
Did you know scientists can tell the age of an asteroid by looking closely at its craters? This final lesson of a six-part series focuses on two asteroids, Gaspra and Ida, in order to demonstrate the concept of dating asteroids. Scholars...
Curated OER
Fractions
Students determine that a fraction is a part of a whole or part of a group. They write and read fractions and solve various fraction problems. They create their own fraction problem using colored candies for their classmate to solve.
Curated OER
Understanding Fractions - Cookbook Comparisons
Learners explore equal fractions in relationship to a whole unit. They fold strips of paper into halves, thirds, etc. and compare them to the first strip which represents a "whole unit." Fractional parts are identified and compared.
Curated OER
Introduction to Decimals
Young math whizzes complete the online instruction, then solve 20 problems about identifying decimals, comparing decimals and fractions and ordering decimals.
Curated OER
Domain: Operations and Algebraic Thinking
Practice basic operations for young mathematicians in fun ways! Using two decks of cards (Ace through 10 plus the joker), learners play "memory" by matching numbers that can be added to make 10 and writing number sentences. In another...
Curated OER
Introduction to Equivalent Fractions
Explore equivalent fractions! Youngters measure the crown of their head with adding tape labeled with various fractions and fractional parts, and compare strips to notice numerical relationships. They fold adding tape in half and color...
Curated OER
Popcorn Fractions
Upper graders explore fractions to determine a fractional part of a whole. They are given 30 pieces of popcorn and asked to divide it into halves, thirds, etc. Students practice representing the popcorn groups as a numerator and...
Math Worksheets Land
Decimals to Fractions Lesson and Practice
Young mathematicians work through the concept of converting a shaded ten-frame into a mixed number and a decimal. Learners must first identify the number of wholes. Then, they find the fraction part. After writing the...
Helping with Math
Factors With Prime and Composite Numbers (1 of 2)
Math monsters examine nine numbers, factor them, and then determine if they are composite or prime. You can print this worksheet off of the website, but it does not fit neatly onto one page. Consider projecting it on your class screen...
Curated OER
Equivalent Fractions
Introduce elementary students, grades 3-5 to the concept of equivalent fractions. Each student folds a paper in half and color one of the equal parts of the paper. They use this paper to define numerator, denominator and the idea that a...
California Academy of Science
Fraction Penguin
Exploring mathematics through art is a fun and concrete way to help learners grasp a concept. They will construct a paper penguin using fractions cut from circles. They'll need to determine 1/8, 1/4, and 1/2 of each circle. Once the...
Curated OER
How Much?
It's time to go back over all that your class has learned about decimals, fractions, and percentages! To do so, individuals solve story problems that involve addition, subtraction, multiplication, and division with decimals, explain how...
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
Hershey Chocolate Fractions
In order for students to acquire knowledge about math concepts, and in particular fractions, they need concrete ways to practice an abstract concept.¿¿¿ Using Hershey bars builds on prior knowledge as most students have probably...
Curated OER
Introduction to Fractions
With this packet, kids are introduced to fractional concepts by completing 10 pages of exercises. They learn equal and unequal parts, shading fractions, looking at pictures to determine fractions, finding equivalent fractions and finding...
Curated OER
Using Manipulatives to Teach Fractions
There is no doubt that learners remember what they have learned when they have a visual representation. Using an egg carton and candy bars, they explore the concept of fractional amounts. By having young scholars cut the egg carton into...
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
Relating Fractions and Decimals
Sixth graders identify how fractions and decimals both illustrate parts of a whole. They estimate which number is greater by comparing them to the given fraction and use greater than or less than symbols for each.
Math Worksheets Land
Partitioning Circles and Rectangles - Guided Lesson
Here are three shapes which have each been partitioned into parts. Learners label the part, whole, or fraction as directed. They label each as quarters or halves.
Curated OER
Comparing and Ordering Decimals - Complete Lesson Plan
Base ten blocks serve as visual representations of numbers that include decimals to the hundredths place. Children compare and order decimals in their math journal as they build the corresponding numbers with base ten blocks.