Curated OER
Understanding Oxidation Numbers
High schoolers review atomic numbers, positive and negative charges, and the periodic table. They examine the relationships among protons and electrons, location of various elements, electron energy levels, and oxidation numbers.
Illustrative Mathematics
Painting a Room
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...
Curated OER
Investigation-Reasoning and Proof
Third graders determine the outcome of each of the following situations and justify their findings: even number + even number = ?, even number + odd number = ?, odd number + odd number = ?, and odd number + even number = ?.
Hookshot Creative
Compose Your Own Music
Channel the masters with an interactive music composition activity! Learners use the online tool to create their own masterpieces one measure at a time.
Houghton Mifflin Harcourt
Unit 8 Math Vocabulary Cards (Grade 6)
Additive inverse, expression, and irrational numbers are a few terms you'll find when you use a set of 22 flashcards designed to reinforce math vocabulary. The set includes two types of cards; a bold-faced word card, and a corresponding...
Curated OER
More and Less Handfuls
Working as a pair, two kindergartners will sit at a table and will pick two handfuls of counters. They will combine their individual handfuls into one, and count their own selection. They will then draw and record their count on a record...
Curated OER
Multiplication and Areas
Upper graders solve problems involving measurement of squares and rectangles to practice multiplication skills, finding area, and calculating prices and percentages. A performance assessment is included.
Illustrative Mathematics
What Shape Am I?
Sharpen your pencil and grab a ruler, it's time to draw some quadrilaterals! Given the definition of a parallelogram, rectangle, and rhombus, learners draw examples and nonexamples of each figure. The three definitions are...
K12 Reader
Expressions with Parentheses
Introduce your class to the order of operations. Included here is a reading passage that explains the concepts and provides an example and five related questions for individuals to answer.
Mr. E. Science
Chemical Reactions
Once I told a chemistry joke, but there was no reaction. Get young chemists involved in changes and reactions with a presentation that begins with physical and chemical changes and chemical reactions. It moves on to chemical...
Curriculum Corner
Math Common Core Checklist for K-6
As the school year progresses, it can be challenging for teachers to keep track of the specific math standards they've covered and those that remain to be taught. This Common Core checklist solves this problem, providing educators with a...
Granite School District
Kindergarten CCSS Math Vocabulary Word List
Help kindergartners develop the academic language they need to master the Common Core standards with this list of math vocabulary. Including the definitions of each term as well as a set of word cards with supporting images and examples,...
American Chemical Society
Dissolving a Substance in Different Liquids
Second of six lessons in a unit on dissolving, this one focuses on how sugar behaves in different liquids. Learners stir it into water, alcohol, and oil and make observations. This instructional activity can stand alone, but is best used...
Curated OER
Division Problems with 0 and 1
Learners explore beginning division. In this division number properties lesson, students solve simple division story problems using cookies. Learners create models that represent the identity and zero properties, then write explanations...
Curated OER
Prime and Composite Numbers
Sixth graders identify prime and composite numbers and complete an activity problem. Given a 100 chart, they follow directions to create a prime number chart. In groups, 6th graders play a "Prime Take Away" activity to reinforce prime...
Curated OER
Dividing Two-Digit Numbers
For this dividing worksheet, students solve 10 problems in which a two digit number is divided by a one digit divisor. There may be remainders.
Curated OER
A Day in the Life of Me
Students respond to the text, A Day in the Life of Me. In this literature activity, students discuss the sequence of events in the story and write simple sentences with a sketch of each important event.
Curated OER
Finding the Oxidation State
In this oxidation state instructional activity, students are given rules for assigning oxidation numbers and a chart showing the oxidation states of the elements of a given compound. Students use the rules and the example to find the...
Curated OER
Process of Mitosis
Students discover through whole-class role play, the process of mitosis. They will all become a chromosome and demonstrate how they line up 23 to 23.
Curated OER
Number Up
Students explore the concept of order of operations. In this order of operations lesson, students play a card game where students in the group have 5 cards. Students must use addition, subtraction, multiplication, and division to make...
Curated OER
Civil Rights
Twelfth graders survey how controversial court cases have changed the viewpoints of civil rights. In this U.S. Government lesson plan, 12th graders work in small groups to prepare summaries of specific court cases, then present...
Curated OER
Atoms and the Periodic Table
Familiarize your new chemists with the periodic table of elements by contemplating this collection of slides. Element groups are identified, atoms are defined, and nuclide notation is explained. Isotopes are also mentioned. The topics...
Curated OER
Greater Than, Less Than, Equal to
First graders complete number comparison activities. In this number comparisons instructional activity, 1st graders review the names of comparison symbols and participate in visual comparison activities. Students practice using the gator...
K12 Reader
Using Arrays for Multiplication
Using arrays for multiplication is the subject of a two-part reading comprehension learning exercise that asks kids to first read a short passage about arrays and then to respond to a series of questions based on the text.