Curated OER
Clock Arithmetic and Cryptography
Students perform basic operations in modular (clock) arithmetic. Students encode and decode messages using shift and affine ciphers. Students apply their multiplication, division, addition, and subtraction skills.
Curated OER
Clock Arithmetic and Cryptography
Students investigate modular clock arithmetic and cryptography. They perform basic operations in modular (clock) arithmetic and encode and decode messages using simple shift and affine ciphers.
Curated OER
Clock Arithmetic and Cryptography
Students explore the concept of modular arithmetic and cryptography. In this modular arithmetic and cryptography lesson, students use applets to explore modular arithmetic using a clock and Caesar Ciphers. Students exchange their ciphers...
Curated OER
Finding Remainders in Pascal's Triangle
Learners use clock arithmetic to find remainders. In this patterns in math lesson plan, students explore the relationship between clock arithmetic and remainders using a computer applet. Learners also identify patterns in Pascal's...
Curated OER
Dental Arithmetic: Sugar Clocks
Students analyze data about their teeth. In this data collection lesson, students determine how often their teeth should be brushed during the day. Students also estimate the amounts of sugar in 17 foods.
Curated OER
Number Base Clocks
Students investigate place value in base ten. In this number sense lesson, students participate in an online lesson at www.shodor.org/interactivate/activities/NumberBaseClocks and demonstrate how to convert numbers from base ten to other...
Code.org
Public Key Cryptography
Investigate how public key cryptography works. Scholars continue their study of one-way functions and asymmetric keys and apply this information to public key cryptography. They use an app to explore public key cryptography and its...
Curated OER
Number Theory
Learners explore the concept of number theory. They discuss an assortment of number theory topics such as prime numbers, composite numbers, GCF, modular arithmetic, and others in a lecture style discussion. Pupils view videos about these...
Curated OER
Modular Arithmetic on the Planet of the Eights
Pupils explore modular arithmetic involving base eight. They participate in an activity where society functions around the numbers one through eight. Students explain how life will operate with only these numbers.
Curated OER
Famous Person: Benjamin Banneker
Students explain the main events in Benjamin Banneker's life and his contributions to society. They gain an appreciation for Benjamin Banneker's inventive ability to reproduce a clock as well as his determination in teaching himself...
Pennsylvania Department of Education
Round Numbers to Nearest Ten or Hundred
Third graders review telling time. In this lesson on telling time, 3rd graders discuss various items that show length of time, including clocks, calendars and sand timers. Students review and practice what they already know about telling...
Curated OER
The Grouchy Ladybug
Young scholars complete a Cirlce Map about time. They recall times during the grouchy ladybugs travels, and add dots on ladybugs using turn-around facts. Pupils correctly sequence the events of The Grouchy Ladybug. Students compose new...
Curated OER
Systems and Matrices
In this algebra instructional activity, students are asked to find replacement sets for modified problems. There are 39 questions with an answer key.
Curated OER
The Effect of Math Anxiety on Cardiovascular Homeostasis
Using a pulse monitor, learners will measure a resting pulse, take a math test, and then measure the pulse again. They analyze the change in pulse and compare it to performance on the test. This multi-purpose lesson can be used in a...
Freecloud Design
Mathmateer
Three, two, one...liftoff! Elevate math skills to new heights while having a blast. A great resource that combines entertainment and education for children of all ages.
Curated OER
Convolution
In this circular convolutions learning exercise, students solve 8 different problems that are related to circular convolutions. They let g be defined by an arbitrary vector and determine the formula for 8 samples for f and g. Then,...
Curated OER
Convolution
In this convolution worksheet, learners solve 8 different problems related to convolution. First, they determine the formulas for eight samples of f and g. Then, students write out the matrix found. In addition, they define the...
Curated OER
Word Problem Exchange
Students discuss elements of word problems: key words, data, computation clues, and unnecessary information and use the four steps of problem solving to find a solution and check for reasonableness.
Curated OER
Math in Literature and Life
Pupils read poems, read phrases, and create a poster for what math is and relate it back to literature. They also discuss the impact math has had on literature.
Curated OER
Does the falling tree make a sound if no one if there to hear it? (or communication via encryption)
Students explore encryption. They discuss the importance of cryptography in our daily lives. Students use games and cryptography to discover transformational geometry and modulo systems. They design their own encryption puzzles and...
Curated OER
The Effect of Math Anxiety on Cardiovascular Homeostasis
Students examine the effect stress due to test anxiety may have on the heart. As part of the experiment, students hypothesize, collect data, graph data, analyze data and formulate an understanding of their personal level of stress and...
Curated OER
Let's Try Various Calculations
Young scholars explore math facts. In this calculation and math facts instructional activity, students play a board game in which addition, subtraction, multiplication, and division math facts are practiced. A copy of the game is...
Curated OER
Adam's Watch
Third graders use their watches to tell the time while the teacher lists their responses on the board along with the reasons for them (set incorrectly, gain/lose time). They solve the problem in pairs and focus their thinking on the...
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