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.

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.

Students explore the concept of modular arithmetic and cryptography. In this modular arithmetic and cryptography instructional activity, students use applets to explore modular arithmetic using a clock and Caesar Ciphers. Students...

Young scholars use clock arithmetic to find remainders. In this patterns in math lesson, students explore the relationship between clock arithmetic and remainders using a computer applet. Young scholars also identify patterns in Pascal's...

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.

Learners 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...

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...

Students 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.

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...

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...

Students 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...

In this algebra worksheet, students are asked to find replacement sets for modified problems. There are 39 questions with an answer key.

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...

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.

In this circular convolutions worksheet, 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, students find...

In this convolution instructional activity, students 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...

Learners 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.

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.

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...

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...

Students explore math facts.  In this calculation and math facts lesson, students play a board game in which addition, subtraction, multiplication, and division math facts are practiced.  A copy of the game is included.

Students will explore modular arithmetic in this activity. The student will set a starting value and them move the "clock" forward a number of specified hours to see the resulting sum. Included are disucssion resources, additional...

This lesson plan is designed to guide students in practicing their basic arithmetic skills by learning about clock arithmetic and cryptography. Linked resources include helpful applets.

Introduces students to modular (clock) arithmetic and its uses in real world problem-solving.