Lesson Plan
Illustrative Mathematics

Sort and Count

For Teachers Pre-K - 1st Standards
Young mathematicians are on their feet and moving around in this primary grade sorting activity. After giving each child an object or picture card, they then sort themselves into groups, counting to see which has the most or least...
Lesson Plan
Curated OER

Planetary Place Value

For Teachers 3rd - 4th
Third graders explore place value to the ten thousands place. This incredibly thorough, 24-page lesson has learners construct, order, and compare numbers to 9,999. This three-day lesson includes reteaching and extension activities...
Lesson Plan
EngageNY

Distance and Complex Numbers 1

For Teachers 11th - 12th Standards
To work through the complexity of coordinate geometry pupils make the connection between the coordinate plane and the complex plane as they plot complex numbers in the 11th part of a series of 32. Making the connection between the two...
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
Curated OER

Place Value of Whole Numbers Through One Million

For Teachers 3rd - 4th
Third graders construct numbers to the millions place. In this 30-page place value lesson plan, learners create numbers and evaluate the place value of digits. They explore standard and expanded form of numbers. An incredible resource!
Lesson Plan
EngageNY

Comparing Integers and Other Rational Numbers

For Students 6th Standards
The ninth installment of a 21-part module has pupils compare integers and rational numbers in decimal and fraction form. They match stories to number lines and compare values in the stories.
Lesson Plan
Curated OER

Is Bigger Always Better?

For Teachers 6th - 8th
Explore rational numbers with the young mathematicians in your class. They will investigate decimals, fractions, and percents before ordering and comparing rational numbers. This multi-day unit includes differentiation activities and...
Lesson Plan
Curated OER

Comparing Two Digit Numbers Using Symbols

For Teachers 2nd
Second graders compare two digit numbers. In this comparing numbers lesson, 2nd graders discover greater than and less than symbols. Students read Five Little Monkeys Sitting In A Tree and use the story as a model for comparing numbers....
Lesson Plan
Illustrative Mathematics

Growing Bean Plants

For Teachers K - 2nd Standards
Plant growth experiments offer rich, cross-curricular learning opportunities that can really excite and engage young learners. In this series, children work in pairs planting, measuring, and comparing the height of bean plants in order...
Activity
Illustrative Mathematics

Ordering Fractions

For Teachers 3rd - 4th Standards
Here is a comparing and ordering fractions learning activity that extends young mathematicians understanding of fractions with like and non-like denominators. By representing and explaining each fraction in a picture or diagram, students...
Lesson Plan
Illustrative Mathematics

Irrational Numbers on the Number Line

For Teachers 7th - 9th Standards
There are four irrational numbers that participants need to graph. Pi(π), -(½ x π), and √17 are easy to approximate with common rational numbers. On the other hand, the commentary describing the irrational number 2√2 is not...
Lesson Plan
Mathematics Assessment Project

Using Positive and Negative Numbers in Context

For Teachers 6th - 8th Standards
Measure the temperature of your math class with a temperature-based instructional activity on adding and subtracting rational numbers. The thermometer serves as a vertical number line for learners as they work together to solve a...
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. 
Interactive
CK-12 Foundation

Fraction and Mixed Number Comparison: Pumpkin Pie

For Students 6th
Compare fraction models to fractions on a number line in an interactive that uses pumpkin pies as the model. Pupils look at pumpkin pie models to determine their improper fraction value. They use their knowledge to answer five questions...
Lesson Plan
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University of Colorado

Are All Asteroids' Surfaces the Same Age?

For Teachers 6th - 8th Standards
There are more than 600,000 asteroids in our solar system. Pupils analyze images of two asteroids in order to determine if they are the same age. They count craters for each asteroid and compare numbers. 
Lesson Plan
Curated OER

Playing the Cards of Place Value

For Teachers 3rd - 4th
Third graders explore place value to the ten-thousands place. In this amazing, 21-page place value instructional activity, learners represent numbers in standard and expanded form, and use technology to represent numbers to 9,999.
Lesson Plan
Illustrative Mathematics

Comparing Two Different Pizzas

For Teachers 3rd - 5th Standards
What better way to learn about fractions than with a couple pizzas? Help Jessica figure out how much of the pizza she has eaten, while teaching your class that fractions refer to a specific whole amount. This problem will be challenging...
Lesson Plan
Smithsonian Institution

Affirmation, Assimilation, and Acculturation: Middle School

For Teachers 6th - 8th Standards
Latin American culture is deeply embedded in American culture as a whole. From the Latin rock scene in San Francisco to the hip-hop world of New York, Latin American artists have influenced every genre of modern music. Learn about the...
Lesson Plan
Curated OER

The True Value of Sweets

For Teachers 5th
Measure your pupil's learning in a lesson designed to explore decimals by weighing different candies on a scale and recording the weight. Small groups then compare and order the decimal weights on a number line to show their...
Lesson Plan
Curated OER

It Counts

For Teachers K - 2nd
Students classify and compare plants using specific information, observations, and numbers. In this mathematical inquiry lesson plan, students use plant characteristics to describe, compare, and classify them. They attempt to develop a...
Lesson Plan
EngageNY

Writing, Evaluating, and Finding Equivalent Expressions with Rational Numbers

For Teachers 7th Standards
Groups write and evaluate expressions for various phone plans and scenarios to find which is the best deal. They then compare different approaches to writing expressions for the same scenario and discuss the concept of equivalent...
Lesson Plan
Illustrative Mathematics

Comparing Rational and Irrational Number

For Teachers 7th - 9th Standards
Algebra learners must know how to use rational numbers to approximate irrationals. This resource asks participants to decide which number is larger without using a calculator. It makes a great exercise to use as a five-minute transition...
Lesson Plan
Illustrative Mathematics

Equality Number Sentences

For Teachers K - 2nd Standards
Understanding the concept of equality is fundamental to the success of young mathematicians. To explore this basic idea, children compare the dots arranged in pairs of rectangles in order to determine whether or not they contain an equal...
Lesson Plan
Curated OER

Analysis and Compare and Contrast

For Teachers 7th - 9th
Students study images to analyze their content and complete a compare and contrast study of the pictures. In this image analysis lesson, students complete two worksheets of images with captions. Students compare and contrast the images...