Curated OER
Word Problems of Equal Share and Equal Groups
Explore this engaging approach to division problem solving with young scholars. They construct story problems after drawing 3 cards that give them a type of object, how many they have of that object, and the number of groups the object...
Curated OER
Solve Word Problems of Equal Share
Youngsters solve division word problems. They will make their own division word problems using objects in equal groups. They share how they solved their problem with the class. Division worksheets are included to support the process....
Curated OER
Word Problems of Equal Share and Equal Groups
Fourth graders solve multiplication word problems. In this multiplication problem solving instructional activity, 4th graders view an example of how to group objects in a word problem. Students practice solving these word problems with...
American Chemical Society
Comparing the Density of an Object to the Density of Water
Investigators construct a makeshift balance and compare equal volumes of wax and water. They do the same for clay and water. Then they discover whether the wax and clay will float or sink in water. Ultimately this is a comparison of...
Curated OER
Sorting Candy
Lower graders sort and group objects by their different properties. They watch a video about sorting then, sort and organize candy in different groups. Students compare how others sorted their candy. Finally, they decide which group has...
Curated OER
Button Math
Use buttons, cards, and dice to perform simple math problems! This inventive lesson should be quite engaging for young learners. Kindergarteners use buttons to help them understand the concepts of greater than, less than, and equal to.
Curated OER
Unequal Groups vs. Equal Groups
Third graders read and discuss math story problems and analyze if the story is using equal groups or unequal groups. They listen to the book "12 Ways To Get to 11," and simulate the story using beads on a pipe cleaner. Students then...
Curated OER
Grouping and Counting Items
Students create equal groups of objects. In this math lesson, students create predictions as to how many objects they can get in each equal group. Additionally, students explore and record findings.
American Chemical Society
Finding Volume: The Water Displacement Method
We have formulas for finding the volume of geometric shapes, but what if the shape is irregular? Lesson describes how to find volume through water displacement. After a demonstration, scholars practice in small groups. Then analysis...
Curated OER
Exploring Multiplication and Division at a Party
Students solve multiplication and division problems using Unifix cubes. They explore multiplication and division through equal grouping of objects and sharing. Students discuss the task they completed and share how they completed the...
Curated OER
Plessy V. Ferguson: "Separate but Equal," Equal Protection
Students explore the details and impact of the Plessy vs. Ferguson U.S. Supreme Court case. In this U.S. History lesson, students participate in several group discussions and group activities that examine both sides of the famous...
Curated OER
Weights of Objects
High schoolers differentiate between the weights of an object on different planets. In this geometry lesson, students investigate different weights and graph their results as it relates to the different planets. They appreciate the...
NASA
Christa's Lost Lesson: Newton’s Laws
How do the laws of motion work in space? Learners explore Newton's laws of motion in different experiments as part of the Christa's Lost Lessons series. They rotate around the room in three stations to experience each law in action using...
Illustrative Mathematics
Tossing Cylinders
Everyone loves a activity that involves throwing things around! To understand probability, your experimenters will predict how different cylinder-shaped objects will land when tossed. When the data is collected, they will calculate the...
University of Colorado
Planetary Distances on the Playground
Earth is 149,600,000 km, or 92,957,130.4 miles, from the sun. Young astronauts create an interactive model to learn the distances between planets. Nine groups, each representing a different planet, are spread around at class-calculated...
Curated OER
Let's Count to 20
Budding mathematicians create groups of 10 to 20 objects using numerals to record the size of a group. They construct sets of numbers up to 10, write the numerals up to 10, and count up to 10 rationally. Students also use ten frames and...
Curated OER
Names for Numbers
In this mathematics worksheet, 1st graders identify various numbers and use counters to illustrate each fact given. Then they complete the math sentences correctly.
NASA
Space Shuttle Ascent: Mass vs. Time
Set the stage for groups of rocket scientists to explore the change in mass of the space shuttle during ascent. Teams work together to graph actual launch data in order to determine the rate of propellent burn.
Curated OER
Fishing For Fun
Second graders categorize fish crackers into groups by color and compare the two groups using the symbols <, =, and >. They use concrete objects to solve number sentences with equalities and inequalities.
Curated OER
What on Earth is Greater Than?
Students compare things that are greater than, less than, or equal to, compare the Earth to other planets, and list planets from greatest size to smallest size.
Curated OER
Roll On
Second graders, in groups, develop models to show how forces such as gravity, friction, equal, unequal forces and change in direction work on marbles.
Curated OER
Multiplying in Any Order
In this mathematics worksheet, 2nd graders use counters to show an array. Then they write the multiplication fact for that array. Students also identify if the reverse of a multiplication fact is equal and explain why.
Curated OER
Fundamentals of Multiplication
Third graders examine how multiplication is a quicker and neater form of addition and how they can simulate the concept of groups and (sets) to construct the visual effect of multiplication by way of forming groups of (2's) (3's) and (4's).
Curated OER
All Kinds of Numbers
Count and compare numbers and fractions using "greater than" and "less than." Learners count on by 2s and 10s and represent the end number with base ten blocks, counters, and cups. They use circle stickers to illustrate fractions and...