App
Oddrobo Software

King of Math Junior

For Students K - 6th Standards
Do your students have what it takes to be the king of math? Find out with this fun skills practice game that covers a wide range of topics from counting and basic operations to measurement and fractions.
Lesson Plan
EngageNY

Events and Venn Diagrams

For Students 10th - 12th Standards
Time for statistics and learning to overlap! Learners examine Venn Diagrams as a means to organize data. They then use the diagrams to calculate simple and compound probabilities.
Lesson Plan
Pennsylvania Department of Education

Adding and Subtracting Rational Numbers to Solve Problems

For Teachers 9th - 12th
Students explore the concept of probability.  In this probability instructional activity, students use area to determine probability.  Students use charts and spinners to help determine the probability of events such as...
Lesson Plan
Pennsylvania Department of Education

Adding and Subtracting Three-Digit Numbers by Jumping

For Teachers 2nd
Second graders use data to graph information and draw conclusions. In this lesson on data analysis, 2nd graders practice gathering, sorting, comparing, and graphing data. Students differentiate data that can and cannot change over time.
Lesson Plan
Curated OER

How To Measure Time

For Teachers 3rd - 4th
Pupils practice telling time on an analog clock. In this time measurement lesson, students use individual analog clocks to identify the hour and minute hand. Pupils identify how to tell time by moving the hour and minute hand.
Lesson Plan
Curated OER

Adding and Subtracting Bears and Goats

For Teachers 1st
First graders evaluate math problems using farm animals.  In this consumer math lesson, 1st graders discover math problems which concern quantities of farm animals.  Students discover new strategies to help them analyze their...
Lesson Plan
Curated OER

Adding Fractions with Unlike Denominators

For Teachers 4th - 5th
Students explore why denominators need to match before adding (or subtracting) a fraction. They use unmarked fraction circles and marked fraction bars, to discover a method to add fractions with unlike denominators using equivalent...
PPT
University of Texas

Complex Numbers

For Students 9th - 12th Standards
Are complex numbers and binomials similar? This stack of slides provides an introduction to complex numbers and shows how to operate with them. The worked examples show a connection between operating with binomials and operating with...
Assessment
Math Learning Center

Second Grade Assessments and Scoring Checklists, Common Core State Standards

For Teachers 2nd Standards
How are your second graders progressing in their math skills? Find out with a series of math assessment activities. With baseline assessment score sheets for each skill, you can track how well your kids are adding, subtracting, telling...
Lesson Plan
Curated OER

Tetrahedral Dice

For Teachers 6th - 9th Standards
Put those thinking hats on and look at all the possible outcomes from rolling two different four-sided dice. The challenge in this problem is finding all the combinations when adding and subtracting the numbers from each die and creating...
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. 
Printables
Curated OER

Fractions: A Conceptual Approach

For Teachers 3rd - 6th Standards
If you are teaching fractions to elementary learners this year, this Singapore Math presentation is essential to your curriculum. It addresses several basic fractions concepts in conceptual terms and figures, making each idea accessible...
Assessment
Los Angeles County Office of Education

Assessment For The California Mathematics Standards Grade 6

For Students 6th Standards
Test your scholars' knowledge of a multitude of concepts with an assessment aligned to the California math standards. Using the exam, class members show what they know about the four operations, positive and negative numbers, statistics...
Lesson Plan
Curated OER

Mental Math for Adding Decimals

For Teachers 5th
Fifth graders work in groups to practice adding decimals. In this adding decimals lesson, 5th graders call out different money amounts to each other and mentally add the coins called out. Students take turns calling out and adding the...
Lesson Plan
Curated OER

More or Less Pigs in the Pen

For Teachers K
Kindergarteners practice basic addition and subtraction. In this math lesson, students sing a song about pigs on a farm to help them understand the concept of adding and subtracting things together. Some excellent extension activities...
Lesson Plan
Curated OER

Positive and Negative Numbers

For Teachers 6th - 9th
Pupils use blocks and markers to illustrate the processes of adding, subtracting, multiplying and dividing integers. In this mathematics lesson, learners use Algebra blocks to demonstrate multiplying polynomials.
Lesson Plan
Curated OER

Math Review (Preparing for CST)

For Teachers 3rd - 5th
Students integrate Math and Music to practice the concept of adding and subtracting decimals. In this math review lesson, students explore music as a way to build math skills. Students listen to the "Decimal Song" and then write a math...
Lesson Plan
Curated OER

Bicycle Ride

For Teachers 2nd
Second graders observe and demonstrate how to add and subtract three-digit numbers as they relate to word problems. They discuss an annual bike ride in Iowa, and solve problems on an activity sheet along with the teacher. Students draw a...
Lesson Plan
Illustrative Mathematics

Baseball Cards

For Teachers 7th - 9th Standards
Here is a resource that demonstrates growth and the initial state of an equation. In this case, your class will be looking at baseball collections. How many baseball cards did the collector start out with, and how many were added or...
Lesson Plan
Curated OER

Counting and Place Value

For Teachers 1st
First graders use place value to practice counting, adding and subtracting using a phenomenological approach.
Lesson Plan
Curated OER

Algebra 1: Simplifying Radicals

For Teachers 8th - 9th Standards
After discussing the difference between rational and irrational numbers, the class pratices simplifying, adding, and subtracting radical expressions. They play a game which involves passing around cards until they have matching hands of...
Lesson Plan
EngageNY

Grade 5 Math Module 1, Topic D, Lesson 10

For Teachers 5th Standards
Take a little bit away. The 10th section of an 18-part unit introduces subtraction of decimals. Scholars use a place value chart like they did with addition of decimals to organize and represent the problem. After using the place value...
Lesson Plan
Curated OER

Subtracting Integers: Math, Physical Education, Dancing, Negative Numbers

For Teachers 6th - 8th
Students demonstrate their understanding of positive and negative integers by adding and subtracting. More importantly, students explain why a negative number, subtracted from a negative number, changes the operation.
Lesson Plan
Curated OER

Ceramic shoes - wild and wacky

For Teachers 9th - 12th
High schoolers explore the history of shoes and shoes from various cultures. They create a shoe using slab and coil techniques. They become familiar with basic additive and subtractive sculpting methods while adding imaginative features...