Activity
Computer Science Unplugged

The Poor Cartographer—Graph Coloring

For Teachers 2nd - 12th
Color the town red. Demonstrate the concept of graph theory with a task that involves determining the least number of colors needed to color a map so that neighboring countries are not represented by the same color. Pupils...
Lesson Plan
Curated OER

Word Problems of Equal Share and Equal Groups

For Teachers 4th
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...
Lesson Plan
Curated OER

Counting From One

For Teachers K - 1st
Students continue to practice counting by ones. Individually, they are given a story problem from their teacher and count numbers in their head only saying the final answer. To end the lesson, they count the objects in their classroom.
Worksheet
Curated OER

Graphs to Represent a Data Set

For Students 2nd - 3rd
Here are the number of animals Jackson saw at the zoo; scholars organize data into bar graphs using this worksheet. Encourage labeling, but consider having scholars do these on another sheet because there isn't room for the x-axis to be...
Worksheet
Curated OER

One and Tens Place Value

For Students 1st - 3rd
Counting is much easier when the objects are arranged in groups of 10! This place-value practice sheet helps young mathematicians grasp ones and tens place value through three exercises. First, they complete three missing addend...
Worksheet
Curated OER

Classroom Objects

For Students 1st - 2nd
A word and picture comprehension worksheet is here for your ESL students. They analyze seven pictures that depict common classroom objects, and match the pictures to the words that describe them.
Lesson Plan
Illustrative Mathematics

Teen Go Fish

For Teachers Pre-K - 1st Standards
Kindergartners play the classic game Go Fish as they practice identifying numbers in the teens. A fun and engaging activity that develops number recognition skills in young learners. As added support, provide cards that include both the...
Assessment
Noyce Foundation

Boxes

For Teachers 6th Standards
Teach your class to think outside the box. Scholars use the concept of equality to solve a problem in the assessment task. They determine how to use a scale to identify the one box out of a set of nine boxes that is heavier than the others.
Lesson Plan
Curated OER

Sorting Through Life!

For Teachers K
Students sort and count objects. In this sorting skills lesson, students work in small group with various objects that can be sorted and counted in groups.
Worksheet
Curated OER

Finding 10s

For Students 1st
For beginners to addition, sets of objects are the ideal way to make this concept understandable. For each of these sets they ring 10 and count the remaining. Then, scholars fill in the addends as 10 and the remaining number. The sums...
Lesson Plan
Illustrative Mathematics

Counting Overview

For Teachers Pre-K - 1st Standards
Develop automatic, meaningful counting skills with your class by using everyday classroom/school items, objects, and opportunities. Counting skills should be practiced during the year using objects and items they are familiar with and...
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 lesson that uses a "tasty" manipulative!
Worksheet
Curated OER

Reading Numbers

For Students K - 1st
Teach number value to 20 through sets of objects. Young pupils use the number given for each of the four sets to determine how many should be colored in. How many are left? There is an addition box that has been left blank so scholars...
Lesson Plan
Primary National Strategy

Ordering and Counting

For Teachers K - 2nd Standards
Are you in need of a 5-day unit intended to teach little learners how to count to 20? This is a well-structured complete set of lessons which employ a variety of methods to instruct learners about various ways to count from 1 to 20. They...
Lesson Plan
National Nanotechnology Infrastructure Network

Is Measuring an Art or a Science?

For Teachers 9th - Higher Ed Standards
Not only do future engineers learn the difference between accuracy and precision, they also get some hands-on experience using different measuring tools. 
Worksheet
Curated OER

Count, Color and Write

For Students K - 1st
In this counting and coloring worksheet, students complete 5 questions in which the objects in a set are counted. Students write how many, what color, and what shape and then color the picture. Example: three blue squares. Note: The...
Lesson Plan
Curated OER

Translucent, Transparent and Opaque Objects

For Teachers 4th - 5th
Students examine different objects. In this appearance lesson, students watch a video about translucent, transparent and opaque objects. Students work in pairs to examine a bag of objects and then discuss the results.
Assessment
Los Angeles County Office of Education

Assessment for the California Mathematics Standards Grade 1

For Students 1st Standards
Here is an assessment designed to test mathematicians' knowledge of writing numbers, comparing numbers, skip counting, solving addition and subtraction problems; along with measuring objects, telling time, identifying shapes, reading...
Worksheet
DK Publishing

Sets

For Students 2nd - 3rd Standards
Do scholars understand multiplication as sets of numbers? Help them grasp this concept through groups of objects arranged as a makeshift multiplication number sentence. They examine the sets and fill in boxes to indicate how many sets of...
Lesson Plan
Curated OER

Cantor Set

For Teachers 9th - 12th Standards
Discover an interesting mathematical object that your algebra learners will enjoy investigating. Their adventure will lead them to the generation of a finite geometric series.
Unit Plan
National Security Agency

Starting a Restaurant

For Teachers 2nd - 3rd Standards
Through an engaging unit, chefs-in-training will sort and classify data using tally charts. Learners will also create bar graphs to display restaurant data and interpret data from bar graphs using a variety of categories....
Assessment
Los Angeles County Office of Education

Assessment for the California Mathematics Standards Grade 3

For Students 3rd Standards
Assess scholars' knowledge with a 22-page assessment that covers place value, patterns, probability, estimation, measurement, geometric figures; and their ability to add, subtract, multiply and divide proficiently. 
Worksheet
Curated OER

Subtraction and Unknown Addends

For Students 1st - 3rd
Using images helps budding mathematicians grasp difficult subtraction concepts. In this set of three word problems, they examine sets of objects which are reflected in each scenario. To approach subtraction in a more accessible way, the...
Lesson Plan
Curated OER

Number Line Snacks: Compare Numbers to 10

For Teachers K
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...