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App
Little 10 Robot

Operation Math Code Squad

For Students 2nd - 6th Standards
Your mission, if you decide to accept it, is math skills practice. In this app, Mission Impossible meets basic number operation skills, and your students are the secret agents. 
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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...
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Lesson Plan
Illustrative Mathematics

Counting by Tens

For Teachers K Standards
With this daily counting activity, your kindergartners will master counting in sequence automatically from 0 to 100, and will count in multiples of ten to 100. With the whole class, count to 100. With each number, learners will whisper...
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Lesson Plan
Illustrative Mathematics

Assessing Counting Sequences Part II

For Teachers K Standards
Access the instructional counting level of your class by prompting them to recall consecutive numbers within a given number range. Working one-on-one with your students and starting with the number range of 1-10, and working toward the...
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Lesson Plan
Illustrative Mathematics

Assessing Counting Sequences Part I

For Teachers K Standards
Working with kindergartners one-on-one, you will identify their ability to count by 1s and 10s and conclude what levels they have mastered, as well as where they need skills practice and instruction. The commentary provided will aid you...
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Activity
Illustrative Mathematics

The High School Gym

For Teachers 8th - 12th Standards
Learners apply critical thinking skills as they analyze data about the temperature inside a gymnasium during a school assembly. The focus is on representing temperature as a function of time and interpreting input and output values...
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Activity
Illustrative Mathematics

Throwing Baseballs

For Teachers 8th - 12th Standards
This is a wonderful exercise for learners to apply their critical thinking skills along with their knowledge of quadratic functions and parabolas. Young mathematicians investigate a real-world scenario about the height a baseball reaches...
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Lesson Plan
Illustrative Mathematics

Assessing Sequencing Numbers

For Teachers K Standards
Assess whether your kindergartners can identify numbers in random order using two sets of numeral cards 1-10 and 11-20. Starting with a small group and the 1-10 deck give your learners the task of putting the cards into order from...
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Worksheet
Yummy Math

Steep Hikes

For Students 6th - 9th Standards
Grab your hiking gear and get ready for a math adventure! Learners explore the meaning of percent grade change, as compared to the slope in an excellent instructional activity activity about hiking trails in the mountains of New...
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Worksheet
1
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Curated OER

Charity Fair

For Students 7th - 10th Standards
What is the probability of picking the same color ball out of three identical barrels? If you wanted to design a game that made money, how could you structure a game and what would you charge for each chance? How much should you pay a...
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Activity
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Illustrative Mathematics

Identifying Graphs of Functions

For Teachers 8th - 12th Standards
Match the graph with its function in an exercise that focuses on variations of the graph of y = e^x. Learners are given four graphs on the same set of axes and four functions, all involving e^x. The task is to match each function with...
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Lesson Plan
Curated OER

Stochastic and Deterministic Modeling

For Teachers 11th - Higher Ed Standards
Explore the difference between stochastic and deterministic modeling through programming. First have the class write algorithms for relatively simple tasks using pseudocode. Use the Python 2.7 program app to simulate Mendel's Pea Pod...
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Lesson Plan
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Illustrative Mathematics

Equivalent fractions approach to non-repeating decimals

For Teachers 6th - 8th Standards
Trying to get your class to think of decimals as fractions and vice versa can lead to interesting discussions. After all, we can usually understand quickly that 1/4 is .25 but why is 1/7 not so easy to convert? This activity looks at...
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Worksheet
Mathematics Assessment Project

Division

For Students 6th - 8th Standards
When you divide two integers you can get a decimal form of a rational number that repeats. How do you interpret that number in real-world situations? Her is an example question: What does 2.6666666666 mean in terms of an amount of money? 
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Lesson Plan
Illustrative Mathematics

Sugar in Six Cans of Soda

For Teachers 3rd - 5th Standards
Understanding how to multiply a whole number by a fraction is the key concept. Young mathematicians create a visual model of this real-world example and find the solution. Extensions are possible for making this an even richer activity....
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Lesson Plan
Illustrative Mathematics

Comparing Temperatures

For Teachers 5th - 7th Standards
Which is colder -12 or -18? Temperature is natural real-world application of ordering rational numbers. It's also fun to talk about the lowest recorded temperature on Earth. Take the time to discuss this inquiry with your class. 
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Activity
Illustrative Mathematics

Running Laps

For Teachers 3rd - 5th Standards
If you run more laps, did you run further? Well, it depends. If the laps are different lengths, you need to do some math to answer that question. The goal of this task to is compare two fractions. Young learners represent the real-world...
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Activity
Illustrative Mathematics

Find the Angle

For Teachers 7th - 10th Standards
This a fun problem for young geometers to play with while gaining important insight into deductive reasoning. Some will find the answers very quickly, others might take a less direct path, but all will use their knowledge of the sum of...
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Activity
Illustrative Mathematics

Box of Clay

For Teachers 5th - 7th Standards
What happens to a volume when you scale the dimensions of a rectangular prism? In this problem, a box of clay is increased in each dimension, with the intent to see if learners can generalize the result. The addition of physical models...
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Worksheet
Yummy Math

Starbucks Drinks

For Students 6th - 8th Standards
The casual language and popular topic will make this assignment all the more engaging for your middle school math class. They use Starbucks beverage sales and nutrition values to practice ratios, proportions, statistics, and...
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Worksheet
Yummy Math

Hot Summer. . . Cold Winter

For Students 6th - 8th Standards
A table of each state's record temperature reports data that middle schoolers can place on a number line for analysis. A written explanation of how to use this tool and the concept of absolute value are also included. Nine questions are...
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Activity
Illustrative Mathematics

Grass Seedlings

For Teachers 4th - 6th Standards
Plants never grow at the same rate, and that is the antithesis for this word problem involving multiplication of fractions. On the worksheet, Raul notices that Pablo's seedlings are 1 1/2 times as tall, and Celina's seedlings are 3/4 as...
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Activity
Illustrative Mathematics

Origami Stars

For Teachers 4th - 6th Standards
This one problem concentrates on the important concept of dividing a whole number by a unit fraction. Here, young mathematicians use pictures they draw to help answer this problem. Insight into the connection between multiplication and...
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Lesson Plan
Illustrative Mathematics

Painting a Room

For Teachers 4th - 6th Standards
This real-life math problem concentrates on developing the understanding of dividing a unit fraction by a whole number. It allows students to draw out a solution to aid their thinking. The well-written answer sheet describes common...