Curated OER
Measuring Mixed Numbers
Mixed numbers can be added conceptually, algorithmically, and physically. Have the class visualize mixed numbers by adding fraction bars together. They then discover the algorithmic process that simplifies adding mixed numbers. Finally,...
Pennsylvania Department of Education
Adding Common Fractions
Fourth graders estimate various measurements. In this instructional activity on measurement, 4th graders estimate the length and mass of multiple objects. Students discuss the difference between a guess and a reasonable estimate and...
Curated OER
Working with Cuisenaire Rods In Mathematics
Fourth graders learn the numerical value of each underlined letter of the standard Rod Code and develop systematic usage for building new units.
Curated OER
What units and concepts do we use to measure rice?
Fifth graders look at different ways to measure rice. For this rice measurement lesson, 5th graders see the metric and customary measurements. They discuss how rice is measured by length, area of the field, weight, volume and yield.
Curated OER
Coastal Threat: A Story in Unit Conversions
Students convert measurements from one unit to another. In this math lesson, students study the environmental consequences of oil spills. They replicate an oil spill event by modeling and scaling.
EngageNY
Mid-Module Assessment Task: Grade 7 Mathematics Module 3
Lesson 16 in the series of 28 is a mid-module assessment. Learners simplify expressions, write and solve equations, and write and solve inequalities. Most questions begin as word problems adding a critical thinking component to the...
EngageNY
What Is a Trigonometric Identity?
Protect yourself from identity theft! Establishing a strong understanding of the Pythagorean identity allows learners to prove that sine^2x + cos^2x = 1. They then use the identity to find sine or cosine ratios given the other.
National Security Agency
Time After Time
Save those precious minutes and hours spent planning math lessons with this mini-unit on telling time. Offering a series of engaging hands-on and collaborative learning activities, these three lessons teach children how to read analog...
Curated OER
Scientific Notation
Review conversion of decimal numbers into SN form with these examples of common astronomical applications and quantities. Young learners rewrite those numbers with scientific notation and with the correct units. The answers are available...
EngageNY
Dividing the King’s Foot into 12 Equal Pieces
Apply, apply, apply! A measurement lesson plan applies a number of concepts to help learn a new construction. Scholars learn to divide a segment into n equal parts using a method that uses the Side Splitter Theorem and a method that...
Core Knowledge Foundation
A “Whole” Lot of Fraction Fun!
Young mathematicians are introduced to fractions in a unit that helps them to understand parts of a whole.
Curated OER
Adding Decimals
Adding decimals can be simple; show scholars the practical uses of adding numbers with decimals as they add measurements and amounts of money. The first eight equations are written vertically with some sums requiring a dollar sign, some...
Curated OER
Find 2/3
This short problem with representing fractions on a number line is more than meets the eye. Labeled only with the numbers zero and 1/4, a number line is used to locate the fraction 2/3. A solution can be found in multiple ways, but young...
EngageNY
Rational Numbers on the Number Line
Individuals learn how to plot rational numbers on the number line in the sixth lesson of a 21-part module. They identify appropriate units and determine opposites of rational numbers.
Curated OER
Fraction Dominoes
Fourth graders participate in a math game that involves practicing their equivalent fraction skills in the advanced multiplication stage seven. They assess their ability skills of equivalent fractions to match twenty seven dominoes on...
Curated OER
Area and Measurements
Students measure the area using feet and yard. In this algebra lesson, students draw and manipulate shapes to calculate the area. They measure the relationship of area between the two units.
Curated OER
Stamping Coins
Learners demonstrate that they can use a variety of coin combinations to make a single amount. They study all the ways to make 50 cents using coins using different coins.
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
Money in Action
Students become familiar with the various coins in our money system as well as amount of each coin. They help develop their ability to count change and find different ways to show equal amounts.
Curated OER
Commutative Property
First graders use various models to learn the Commutative Property of Addition. In this Commutative Property instructional activity, 1st graders use other students, counters, balances, and dominoes to apply the addition property....
EngageNY
From Ratio Tables to Equations Using the Value of a Ratio
Use the value of a ratio to set up equations. The teacher leads a discussion on determining equations from ratio tables in the 13th portion of a 29-part series. Pupils determine which of two equations to use to find the solution. They...
Curated OER
Ratios, Rates, Percent and Nutrition
Examine food labels to determine percentage of fat and sugar to total calories with middle schoolers. Daily nutritional guidelines are discussed and learners will decide how well their foods fit into a healthy diet. In the provided...
NYSU
Understand a Fraction as a Number on a Number Line
Piece by piece young scholars build a basic understanding of fractions in a Common Core-designed elementary math lesson. Through a series of hands-on activities and journaling exercises, and with the help of multiple online resources,...
Curated OER
Scaling Our School
Fourth graders practice estimating the length and height of buildings at their school. They then compare their estimations with the actual heights or lengths. Each student then builds a scale model using ratio to translate the "real"...