Organizer
Curated OER

Compare Sets of Objects Guided Lesson

For Students K - 1st
Practice math vocabulary terms fewer, more, and data using this visual-object-analysis guide. Learners observe three sets of objects and answer three questions, two of which compare numbers of objects, and the last which...
Worksheet
Curated OER

Compare Sets of Objects Guided Lesson Explanation

For Students K
Kindergartners are asked to count and compare the number of objects in one set with the number in two other sets. The resource provides answers and explanations for problems on a referenced (but not included) worksheet.
Lesson Plan
Curated OER

Building Sets of 13 and 14

For Teachers Pre-K - 1st
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.
Lesson Plan
Illustrative Mathematics

Which Weighs More? Which Weighs Less?

For Teachers Pre-K - 1st Standards
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...
Lesson Plan
Curated OER

Comparing Fractions with Objects and Pictures

For Teachers 3rd
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.
Lesson Plan
Curated OER

Comparing Sets

For Teachers K - 1st
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 instructional activity that uses a "tasty" manipulative!
Lesson Plan
Illustrative Mathematics

Which Number is Greater? Which Number is Less? How do you Know?

For Teachers K Standards
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...
Lesson Plan
Illustrative Mathematics

Sort and Count II

For Teachers Pre-K - 1st Standards
Capture the engagement of young mathematicians with this hands-on sorting activity. Given a bag of objects, learners work independently sorting the items based on their physical attributes, counting to determine the size of each group....
Worksheet
Curated OER

Compare Numbers of Shapes

For Students 1st - 3rd
As they examine sets of shapes, learners compare the number of objects in each pair. There are eight comparisons total, and scholars use the symbols .
Worksheet
Curated OER

Count the Objects

For Students Pre-K - 1st
Are there more apples or pears? Learners count images of familiar objects, and write the number below. Then, they color the object group with the most in number. There are four sets of objects to compare. Consider having students circle...
Activity
Exploratorium

Life Size - Explore the Size and Scale of Microscopic Biology

For Teachers 6th - 12th
Compare sizes of microscopic items. Given a set of labels of microscopic objects, pupils try to place them in order from smallest to largest. Scholars then compare their lists to the actual comparisons along with the measurements of the...
Lesson Plan
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Center for Learning in Action

Introduction to the States of Matter

For Teachers 2nd - 4th
Liquids, gases, and solids are the states of matter in which scholars investigate in a lesson plan that offers in-depth information and engaging activities that look into the three states and the changes their properties make when mixed...
Worksheet
Curated OER

Comparing

For Students 1st - 2nd Standards
Practice the comparison words lighter, heavier, longer, shorter, smaller, and bigger using this visual chart. For each set of three objects, pupils order them according to one of these terms. The six terms are illustrated...
Lesson Plan
Illustrative Mathematics

Money in the Piggy Bank

For Teachers 3rd - 5th Standards
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...
Lesson Plan
Lakeshore Learning

Comparing and Ordering Fractions

For Teachers 3rd - 5th Standards
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...
Activity
Noyce Foundation

Circular Reasoning

For Students K - 12th Standards
Examine the origin and application of pi in five different levels. The five lessons in the resource begin with an analysis of the relationship between the radius and circumference of a circle. The following lessons lead learners through...
Lesson Plan
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University of Colorado

The Moons of Jupiter

For Students 6th - 8th Standards
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...
PPT
Curated OER

Fractions 2

For Teachers 3rd - 4th
A well-composed and professional resource can be a wonderful way to add importance to a topic. This presentation is very well done and acts as an assignment which can be completed individually or during whole-class instruction....
Interactive
CK-12 Foundation

Identifying Sets of Pythagorean Triples: The iPad is a Pythagorean Triple

For Students 8th - 12th Standards
Compare iPad and HDTV aspect ratios. Individuals use the interactive to determine whether the measurements of screens represent a Pythagorean triple. The pupils determine what changes are needed to make a Pythagorean triple.
Interactive
Curated OER

Which is the Lighter Object?

For Students 1st - 3rd
In this weight comparison worksheet, students are given two sets of objects and click on the lighter object. This is an interactive worksheet with six sets of objects.
Handout
National Nanotechnology Infrastructure Network

Taking a Closer Look at Objects

For Students 4th - 8th
Take a close look at the world around you with an activity that magnifies everyday objects. Five explorations examine items under intense magnification and pose a series of questions that encourage critical thinking and following...
Worksheet
Math Worksheets Land

Compare Two-Digit Numbers - Guided Lesson

For Students 1st - 2nd Standards
Practice comparing number values in a variety of activities on this worksheet. Youngsters complete a statement comparing 20 to 20, choosing from three options: is greater than, is less than, and is equal to. Then, they put four numbers...
Worksheet
Curated OER

Use Estimation to Compare Numbers

For Students 1st - 2nd
"Take a walk" with this activity and estimate how many birds, ants, turtles, flowers and children getting on a bus that you see. Based on the size of a single set of 10 objects, learners estimate how many are in the whole group. They...
Lesson Plan
Curated OER

Object Graphs

For Teachers K
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.