Noyce Foundation
Cut It Out
Explore the mathematics of the paper snowflake! During the five lessons progressing in complexity from K through 12, pupils use spatial geometry to make predictions. Scholars consider a folded piece of paper with shapes cut out....
Curated OER
Fashion Sense and Dollar Wise
Young scholars work in groups to show understanding of the relationship between fractions, decimals, percentages, and the application of ratios and proportions. For this decimals, fractions, and percents lesson, students use real life...
Ahisma Summer Institute
The Power of One - Math in a Different Angle
In this 2-day lesson focused on exponents, middle schoolers will cross the curriculum by engaging in science, history and language arts activities. Exponential growth will be explored using grains of rice on a chess board. Exponential...
Curated OER
Count on Math
Students develop number sense up to a million. In this developing number sense up to a million lesson, students count their breaths in given time span. Students use blocks representing 10's and 100's to create a...
Curated OER
Understanding Place Values
Middle schoolers investigate the place values of numbers by completing a worksheet. In this number sense lesson, students identify the place value of a number from ones, to the millions. Middle schoolers complete a place...
Curated OER
Number: Decimals
Students explore the concept of decimals. In this decimals lesson, students examine number patterns as they complete a worksheet that requires them perform multiplication with decimal numbers.
Curated OER
Importance of Estimation
Students discover the ability to estimate based on viewing photographs of objects. In this number sense instructional activity, students view photographs of numerous objects in which they must train their eyes to create an educated...
Partnership for Educating Colorado Students
Mayan Mathematics and Architecture
Take young scholars on a trip through history with this unit on the mathematics and architecture of the Mayan civilization. Starting with a introduction to their base twenty number system and the symbols they used, this eight-lesson unit...
Education Development Center
Making Sense of Unusual Results
Collaboration is the key for this equation-solving lesson. Learners solve a multi-step linear equation that requires using the distributive property. Within collaborative groups, scholars discuss multiple methods and troubleshoot mistakes.
Arizona Department of Education
Introduction to Integers
Welcome to the backward world of negative numbers. This introductory lesson teaches young mathematicians that negative numbers are simply the opposite of positive numbers as they use number lines to plot and compare...
Rational Number Project
Initial Fraction Ideas Lesson 18: Overview
Develop young mathematicians' ability to compare fractions with investigation into the number 1/2. After brainstorming a list of fractions equivalent to 1/2, children identify a pattern in the numerators and...
American Statistical Association
Happy Birthday to . . . Two?
How many people do you need in a room before two likely share the same birthday? Scholars consider this puzzle by analyzing a set of data. They ponder how to divide the data and determine the proper size of a group for this event to...
Curated OER
Math in the Wetlands Field Trip
Get your class out in the environment for hands on math activities. In this wetlands lesson, learners transplant native plants, calculate how much soil is needed, and perform math activities based on this experience. They then make...
University of Minnesota
Fraction Operations and Initial Decimal Ideas
Add another strategy to the toolboxes of young mathematicians with this elementary math activity on using number lines to add and subtract fractions.
Scholastic
Study Jams! Determine the Missing Operation in an Equation
Deepen the number sense of your math class with a short presentation on writing equations. Using the relationship between numbers, young mathematicians learn how to determine the missing operator in an equation. A number of opportunities...
Virginia Department of Education
Ground Zero
Don't harbor any negative feelings toward negative numbers. Scholars learn about different classifications of rational numbers, including negative integers. They also develop definitions of the opposite and the absolute value of a...
Agile Mind
Cake Weighing
An online set of four yummy questions addresses number sense for sixth graders. They place points on a number line, determine relative values, interpret absolute value, and apply their understanding to the weighing of cakes for a bakery....
Curated OER
Equivalent Fractions
Learners investigate the process to work problems that involve equivalent fractions. They practice finding the equivalent values of fractions listed on the worksheet. The lesson includes example steps and problems for the teacher to use.
Curated OER
The Rabbit Problem
Young scholars notice a number pattern in the book The Rabbit Problem by Emily Gravett. In this number pattern lesson, students represent and describe numbers appropriate to their grade level.
Curated OER
Expanded Form - Ten Thousands
Young scholars investigate the place values of different numbers by completing a worksheet. In this number sense lesson plan, students discover the ten thousands digit on a number and practice writing numbers in an expanded form....
Curated OER
Racquetball With Math
Students explore physical education by participating in a game with their class. In this number sense lesson, students utilize their motor skills while performing a music version of racquetball. Students utilize math skills by...
Virginia Department of Education
Modeling Division of Fractions
Provide a meaningful context for learning about the division of fractions with this upper-elementary math lesson. Presented with a simple, real-world problem, young mathematicians work in small groups to develop visual models...
EngageNY
Writing and Interpreting Inequality Statements Involving Rational Numbers
Statements often have multiple interpretations — but not these inequality statements. Scholars compare rational numbers and write inequality statements symbolically. The lesson includes problems that require comparing three numbers.
Noyce Foundation
Measuring Up
Teach the basics of measurement and conversion with a five-lesson resource that builds an understanding of proportion and measurement conversion from elementary through high school. Initially, young scholars use ratios to determine soup...