Scholastic
Adding and Subtracting Ten
Developing fluency with basic addition and subtraction is fundamental to the success of all young mathematicians. This four-day lesson series begins with learners using ten-frames and hundreds charts to recognize patterns when adding and...
Curated OER
Lesson 2: The Constitution: Our Guiding Document
Explore the structure and content of the US Constitution in the second lesson of this five-part social studies series. A collection of activities, games, and videos complement a class reading of a document summarizing the US...
Illustrative Mathematics
Adding Tenths and Hundredths
Learning to add fractions with different denominators presents a big hurdle for many young mathematicians. Simplify the process for learners with this series of practice problems involving the friendly fractions tenths and hundredths....
West Contra Costa Unified School District
Adding by finding 10's
Count with ten frames in a first grade addition lesson. Kids determine how to identify numbers on a number line, as well as with ten frames, and complete ten frames to show their answers in several addition problems.
Curated OER
Learning Life Lessons through Fables
Explore a variety of fables to learn life's lessons through engaging stories. Add rigor to the learning process with activities that include matching a a fable to the story's moral, short answer exit slips, and a three-column graphic...
Curated OER
Adding and Subtracting Fractions and Mixed Numbers
Students add and subtract fractions and mixed numbers. In this fractions worksheet, students learn how to add and subtract mixed numbers based on their knowledge of adding and subtracting fraction with a teacher led question and answer...
EngageNY
Grade 5 Math Module 1, Topic D, Lesson 10
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...
Curated OER
Adding and Subtracting Polynomials
For use with a TI-nspire calculator, this lesson focuses on adding and subtracting polynomials. Learners use calculator to add and subtract polynomials using both the vertical method horizontal methods. A class discussion follows the...
Curated OER
Study Buddies: Adding Two-Digit Numbers
Some times a simple lesson plan is all you need. Here are 2 worksheets that can be used as a lesson plan on problem solving, addition, and partner work. The first worksheet has learners use a tens and ones charts to practice adding...
EngageNY
Adding and Subtracting Polynomials
Need a unique approach to adding and subtracting polynomials? A helpful math lesson approaches the concept by relating polynomials to base 10. It encourages pupils to see each term as having a specific value, and therefore, they should...
Curated OER
Adding and Subtracting Decimals With Excel
What a great way to have pupils apply classroom learning to real-world skills! They complete problems involving the addition and subtraction of decimals related to banking-type questions, and then use a spreadsheet to display their results.
EngageNY
Grade 5 Math Module 1, Topic F, Lesson 16
See, decimal operations do come in handy! Pupils solve word problems that require adding, subtracting, multiplying, and dividing decimals. They use tape diagrams to express relationships and to identify the necessary operations to solve...
Meadows Center for Preventing Educational Risk, University of Texas at Austin
Lesson 17 - Adding Suffixes That Change Base Words' Finally to I
If it ends in a y, change the y to i when adding a suffix like -ness, -ly, or fy. The final activity in the Word Recognition and Fluency series of 17 explains when to change the final letter in a base word to i before adding a suffix....
Meadows Center for Preventing Educational Risk, University of Texas at Austin
Lesson 11 - Affixes with Unchanging Base Words
Adding an affix to a word sometimes changes its meaning, just like magic. Using 11th of 17 lessons in the Word Recognition and Fluency series, readers become vocabulary magicians, learning to form and decode words that contain common...
Curated OER
Planet PowerPoint Lesson
Looking for a good, technology-based science lesson for your 3rd graders? This lesson is worth a look! They will utilize PowerPoint to create a presentation for the class on a planet of their choice. They also use document cameras, a...
Southern Nevada Regional Professional Development Program
A Mini lesson on Semicolons
Dr. Martin Luther King, Jr.'s "Letter from Birmingham Jail" serves as an exemplar for a mini-instructional activity on semicolons. Working alone or in small groups, class members first circle all the semicolons in the letter, and then...
National Park Service
Reduce Our Carbon Footprint, Let’s Compost!
Roll up your sleeves and get a little dirty with this elementary and middle school compost lesson. All you need is a large plastic container, a couple old newspapers, some organic waste, and a few hundred worms and you're ready to start...
Curated OER
Designing and Creating Earth Science Lessons with Google Earth
Everything from adding an overlay to uploading images to navigating the software, teachers become apt at using Google Earth™ in the classroom to create Earth Science lessons.
TED-Ed
Sugar: Hiding in Plain Sight
Did you know that you can find added sugars in three-quarters of the foods you find in grocery stores? Invite your learners to consider how much sugar exists in the food products we eat on a day-to-day basis, as well as to learn about...
University of Minnesota
Fraction Operations and Initial Decimal Ideas
Add another strategy to the toolboxes of young mathematicians with this elementary math lesson on using number lines to add and subtract fractions.
Curated OER
Adding & Subtracting (Combining) Integers
Maintain a positive atmosphere in your math class with this fun lesson on adding and subtracting integers. After first explaining the rules for combining positive and negative numbers, this resource uses a comic strip to guide students...
EngageNY
Grade 10 ELA Module 3: Unit 3, Lesson 5
Can you please clarify? Scholars continue to work on their argumentative essays about selling human tissue by clarifying and adding cohesion. Writers begin by looking at model paragraphs and then begin improving their writing. They...
Curated OER
Mental Math for Adding Decimals
Fifth graders work in groups to practice adding decimals. In this adding decimals activity, 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...
American Chemical Society
Changing the Density of a Liquid - Adding Salt
Fourth in a set of several little lessons on density, this one compares the density of fresh and salt water. First by demonstration, and then by a hands-on activity, learners find that adding salt increases the density, as is evidenced...