Curated OER
Comparing Fractions with Objects and Pictures
Scholars will compare fractions using objects and pictures. They view pre-made pictures and concrete objects of fractions. Then use small white boards to draw pictorial representations of fractions.
Curated OER
Comparing Sets
Kindergarteners and first graders work with Reese's Pieces to explain comparing sets, create comparison sets, and compare sets of numbers and objects. A good lesson that uses a "tasty" manipulative!
Illustrative Mathematics
Which Number is Greater? Which Number is Less? How do you Know?
When comparing groups of objects, it's easy for children to identify which has more, but it's not so easy for them to explain their reasoning. This simple whole-group activity provides multiple opportunities for learners to compare...
Illustrative Mathematics
Which Weighs More? Which Weighs Less?
Expand the the comparative language of young mathematicians with a hand-on weight measurement activity. Working independently or in pairs, children compare the weight of large wooden blocks to various other classroom objects, recording...
Curated OER
Building Sets of 13 and 14
Compose and decompose sets of 13 and 14 and compare sets of each with your little learners. They use objects to construct sets of 13 and 14, record their answers, and compare sets in several different ways.
Illustrative Mathematics
Sort and Count
Young mathematicians are on their feet and moving around in this primary grade sorting activity. After giving each child an object or picture card, they then sort themselves into groups, counting to see which has the most or least...
Illustrative Mathematics
Sort and Count II
Capture the engagement of young mathematicians with this hands-on sorting activity. Given a bag of objects, students work independently sorting the items based on their physical attributes, counting to determine the size of each group....
Curated OER
Compare and Contrast Historical Time Periods
What do images tell us about history? Dress, setting, and actions all convey cultural norms, and in essence, give reference to historical time and place. Learners compare and contrast Kunisada's Actor with Flute in Snow to Hokuei's...
Curated OER
Object Graphs
Students identify geometric shapes, demonstrate construction of an object graph, compare sets of objects, estimate which student has the most geometric shapes in his or her bag, and play computer game Jump Start Kindergarten.
Illustrative Mathematics
Longer and Heavier? Shorter and Heavier?
For many young children it seems obvious that longer objects are heavier than shorter objects. This assumption is put to the test as the class investigates the relationship between length and weight in a whole-group activity. Using a...
Lakeshore Learning
Comparing and Ordering Fractions
Math can be satisfying for the mind and the stomach! Incorporate slices of pizza into your fractions lesson with a set of informative resources. After a brief guided lesson on comparing and ordering fractions, young mathematicians...
Illustrative Mathematics
Size Shuffle
In the eyes of children the world is a simple place, objects are either big or small. This simple activity aims to expand the comparison language of young mathematicians as they use the words taller and shorter to compare their...
Digital Public Library of America
Teaching Guide: Exploring Little Women
Louisa May Alcott's Little Women is a literary masterpiece as well as a timestamp of the formative mid-nineteenth century in America. Using a primary source set of photographs, letters, and portraits, readers discuss the ways...
Curated OER
Number Line Snacks: Compare Numbers to 10
Kindergarteners put Cheerios or cheddar fish on two number lines (up to 10 each) and identify which number the snack pieces indicate. They compare numbers after eating a few of each snack, and get an introduction to addition and...
University of Colorado
Spacecraft Speed
Space shuttles traveled around Earth at a speed of 17,500 miles per hour, way faster than trains, planes, or automobiles travel! In the 13th installment of 22, groups graph different speeds to show how quickly spacecraft move through...
University of Colorado
The Moons of Jupiter
Middle schoolers analyze given data on density and diameter of objects in space by graphing the data and then discussing their findings. This ninth installment of a 22-part series emphasizes the Galilean moons as compared to other...
Illustrative Mathematics
Money in the Piggy Bank
It's time to crack open that piggy bank and see what's inside. First, count up the pennies, nickels, dimes, and quarters, identifying what fraction of them are dimes. Then calculate the total value of the coins, writing another fraction...
Shodor Education Foundation
Sets and the Venn Diagram (Beginner)
Venn diagrams are helpful in understanding the idea of a set and using attributes to sort items. This basic plan is an introduction with an added bonus of an applet that can be used to demonstrate the activity. If a classroom of...
Curated OER
Origami Flight: The Physical Setting
Sixth graders investigate the forces that move certain objects. In this physics lesson, 6th graders design and create paper flying objects using origami methods, which they practice flying in different conditions. Students...
Curated OER
Classifying Objects
Fourth graders classify living things according to similarities and differences through guided and independent activities. They place objects into groups according to their characteristics and then make a collage of living things...
Social Studies Coalition of Delaware
Urban Mouse Rural Mouse
Explore rural and urban environments over the course of four days. Each day offers a new look into how both environment compare and contrast. Activities include the observation and analyzation of images, a read aloud and grand discussion...
Curated OER
More Monkeys, Fewer Monkeys, Equal Monkeys
Students compare sets of objects. In this identification lesson, students inspect sets of monkeys and identify them as more, less, or equal to the other sets. Students observe a video clip discussing comparisons.
Curated OER
A Lesson in Comparing and Counting Sets
Young scholars count objects in a set. In this math lesson, students complete an online activity in which they count the objects in various sets and determine which set is larger.
Curated OER
Goal Setting: Respect for ALL Workers
Students discuss their views on the importance of various jobs. In this career paths and goal-setting lesson, students create a list of all jobs required to produce a particular object. Students then prioritize the importance of...