Computer Science Unplugged
Twenty Guesses—Information Theory
How do we determine how much information to include and what can be left out? By playing a game of 20 questions, the class generates the best strategies for finding a number. They then move on to guessing the next letter in a short...
Bowland
German or English?
Sprechen sie Deutsch? Future cryptographers must decide whether an unknown text is written in English or in German. They use provided pie charts about the frequency of words in the English and German languages to help make their decisions.
Schoolcraft College
Trigonometry
This trigonometry textbook takes the learner from a basic understanding of angles and triangles through the use of polar coordinates on the complex plane. Written by a mathematician-engineer, examples and problems here are used to...
Houghton Mifflin Harcourt
Unit 3 Math Vocabulary Cards (Grade 3)
Looking for math vocabulary cards for third graders? Use a set of 15 math cards with terms associated with graphing. The top half of each sheet has the vocabulary word printed in bold text, and the bottom half includes...
Curated OER
Basic Crypto Systems
Students try to solve codes mathematically. The use of a code needs a key. Students try to decipher a code with a mathematical key. This requires focus and higher order thinking skills like analysis.
Curated OER
Add 2-Digit Numbers in Different Ways
In this solving addition word problems activity, students use secret code cards and counters to problem solve. Students solve six problems.
Curated OER
Code Crackers Math Game
Students, through this math game, are provided with opportunities to work with math operations and simple algebraic equations. They create a spreadsheet-based "rule machine."
Curated OER
Scatter Brain
Examine a coordinated geometry grid to decode the hidden message. Pupils write a coded message to their parents using letter coordinates from the grid.
Curated OER
Translating Between Verbal and Algebraic Expressions
Students translate between verbal and algebraic expressions. After folding paper into four sections (multiplication, division, addition, and subtraction), students list code words under the appropriate section title. Next, they...
Curated OER
Using 3-D Models for Code Validation with FoilSim
High schoolers use FoilSim to complete the activity to create tables of data sets comparing the lift values for a 3-D model of a symmetrical wing section to the values predicted by the FoilSim software.
Curated OER
Math Handbook: Calculus
If only there was a reference that listed all the formulas covered in calculus. Luckily, there is. This comprehensive 197-page handbook provides formulas and explanations for all topics in AP Calculus or in a standard college calculus...
Curated OER
Slowly But Surely
The US mint has created this fabulous lesson plan, which practices language arts and mathematics skills. Learners will use the provided worksheets and step-by-step instructions to experiment with different sentence structures, use...
Curated OER
Alice in Wonderland Plays upon Words and Numbers
Poetics, language, mathematics, and logic are all prevalent in Wonderland.
Curated OER
Multiplying With Nine As A Factor
Elementary math minds complete various activities to memorize the multiples of nine. They watch a PowerPoint presentation and demonstrate the finger trick. Unfortunately the link to the multiplication activities does not take you...
Curated OER
Time/Elapsed Time
Young mathematicians complete various activities to demonstrate proficiency in telling time and identifying elapsed time. They analyze and discuss television schedules, create a booklet about their daily activities, produce a TV. guide,...
Curated OER
In the Ballpark
Students practice estimation skills with the video series "Interactions: Real Math, Real Careers". They complete a hands-on activity for estimating large numbers.
Curated OER
Teaching Ideas and Resources
In this teacher website, teachers have access to a variety of tools and resources. Teachers can utilize plans, lessons, and worksheets in all subject areas.
Curated OER
It's Close Enough: Rounding and Estimation
Second graders round to the closest five, ten, and hundred. They use place-value concepts of grouping based upon powers of ten (thousandths, hundredths, tenths, ones, tens, hundreds, thousands) within the decimal number system.
Curated OER
Math: Where Do I Put the Elephant?
Students listen to the story, "Harriet Goes to the Circus," to launch into a lesson on positional words, such as over, under, and behind. After clipping out and coloring pictures of circus animals, students place them into a parade line...
Curated OER
Count the Monkeys
In this counting monkeys learning exercise, 3rd graders identify and complete 3 different problems that include counting monkeys in a circle diagram. First, they cut out the small circle and place it in the center of the larger circle....
Curated OER
Signal Flags
Students examine the use of signal flags on vessels. They use measurements and symmetry to create their very own signal flag. Students work together and as individuals to solve problems and express their ideas.
Curated OER
Sweethearts and Data Analysis
Young scholars explore the concept collecting and representing data. In this collecting and representing data lesson, students record the different colors of sweetheart candies in their sweethearts box. Young scholars create a table of...
Curated OER
Retirement: Show Me the Money!
Students explore the concept of retirement finances. In this retirement finances lesson, students discuss what it means to save, invest, risk, or the time value of money. Students play the stock market game. Students interview a parent...
Texas Instruments
Texas Instruments: Numb3 Rs: Now You See It, Now You Don't
Based off of the hit television show NUMB3RS, this lesson is an introduction to a "different" type of coding, called steganography. In Steganography, images (or text) are split into layers, and then distorted in such a way so as to...