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...
Curated OER
Make a Match
Second graders examine the relationship between addition and subtraction. In this number sense lesson, 2nd graders practice their computation skills and use various strategies (including manipulatives and calculators) to add and subtract.
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.
Curated OER
Summer Packet - Math & Reading
In this math and reading comprehension worksheet packet, students solve 700 basic addition, subtraction, multiplication, and division facts. Next, they identify what a sentence looks like, the difference between there and their, and read...
Foreign Policy Research Institute
Ancient History: The Importance of Logistics in Greek & Roman Armies
Before one can understand the military tactics practiced throughout history, he needs to become familiarized with tactics practiced in the ancient past. Learners take a critical look at the military logistics used by Alexander the Great...
Discovery Education
Sonar & Echolocation
A well-designed, comprehensive, and attractive slide show supports direct instruction on how sonar and echolocation work. Contained within the slides are links to interactive websites and instructions for using apps on a mobile device to...
Curated OER
The Seeds We Need
Learners apply word analysis skills to recognize new words, identify genres of fiction and nonfiction, and identify important themes and topics. They explore differences in plants, flowers, and vegetables. A book bag full of activities...
Curated OER
Texas History Math
Seventh graders practice math skills while they become familiar with Texas' Boom & Bust economy and the natural history of the east Texas Piney Woods.
Curated OER
Solving Problems
Second graders become familiar with need strategies for computation of money problems and estimating sums. In this computation activity, 2nd graders solve real life problems to understand estimation and money problems.