+
Lesson Plan
Curated OER

Clock Arithmetic and Cryptography

For Teachers 2nd - 5th
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.
+
Lesson Plan
Curated OER

Clock Arithmetic and Cryptography

For Teachers 9th - 12th
High schoolers 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.
+
Lesson Plan
Curated OER

Clock Arithmetic and Cryptography

For Teachers 8th - 10th
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...
+
Lesson Plan
Curated OER

Finding Remainders in Pascal's Triangle

For Teachers 5th - 6th
Learners use clock arithmetic to find remainders. In this patterns in math instructional activity, students explore the relationship between clock arithmetic and remainders using a computer applet. Learners also identify patterns in...
+
Lesson Plan
Curated OER

Dental Arithmetic: Sugar Clocks

For Teachers 5th - 7th
Students analyze data about their teeth. For 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.
+
Lesson Plan
Curated OER

Number Base Clocks

For Teachers 4th - 9th
Young scholars investigate place value in base ten. In this number sense instructional activity, students participate in an online instructional activity at www.shodor.org/interactivate/activities/NumberBaseClocks and demonstrate how to...
+
Lesson Plan
Curated OER

Number Theory

For Teachers 8th - 12th
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...
+
Lesson Plan
Curated OER

Modular Arithmetic on the Planet of the Eights

For Teachers 7th - 12th
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.
+
Lesson Plan
Pennsylvania Department of Education

Round Numbers to Nearest Ten or Hundred

For Teachers 3rd
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...
+
Lesson Plan
Curated OER

The Grouchy Ladybug

For Teachers 1st - 2nd
Pupils 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...
+
Worksheet
Curated OER

Systems and Matrices

For Students 7th - 12th
In this algebra worksheet, learners are asked to find replacement sets for modified problems. There are 39 questions with an answer key.
+
App
Freecloud Design

Mathmateer

For Students K - 6th Standards
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.
+
Worksheet
Curated OER

Convolution

For Students 12th - Higher Ed
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...
+
Worksheet
Curated OER

Convolution

For Students 12th - Higher Ed
For this convolution worksheet, 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 the...
+
Lesson Plan
Curated OER

Word Problem Exchange

For Teachers 4th - 12th
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.
+
Lesson Plan
Curated OER

Math in Literature and Life

For Teachers 4th - 8th
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.
+
Lesson Plan
Curated OER

Does the falling tree make a sound if no one if there to hear it? (or communication via encryption)

For Teachers 1st - 12th
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...
+
Lesson Plan
Curated OER

Let's Try Various Calculations

For Teachers 2nd - 4th
Young scholars 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.
+
Lesson Plan
Curated OER

Adam's Watch

For Teachers 3rd
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...

Other popular searches