Lesson Plan
For the Teachers

$1 Math

For Teachers 2nd - 7th Standards
Captivate your class by having them find the value of their names, different zoo animals, musical instruments, etc.,with a mental math instructional activity. Using the coding formula listed, children learn to fluently estimate...
Worksheet
Doing Maths

Converting Metric Measurements Code-Breaker

For Students 3rd - 6th Standards
Can your scholars crack the code of this metric worksheet? To start, mathematicians must convert different units of measurement to the standard metric system form. Then, pupils plug in the corresponding letter to the correct answer to...
Lesson Plan
Curated OER

Patterns of Communication

For Teachers 3rd - 5th
Scholars examine codes, symbols, and other forms of communication. They discuss Morse Code. Next, they are given messages written in code, which they must decipher. 
Interactive
CK-12 Foundation

Addition and Multiplication Properties with Real Numbers: The Secret of Subtraction

For Students 6th - 8th Standards
An interactive boosts mathematicians' knowledge of subtracting integers using a horizontal number line by way of multiple-choice, true or false, and discussion questions. 
Lesson Plan
Curated OER

Code Cracking

For Teachers 5th - 8th
There is nothing more engaging than cracking a secret code! Middle schoolers will replace letters with numbers to solve problems. This game will help them to begin to understand algebra questions by finding the value of missing numbers....
Lesson Plan
Curated OER

Coded Messages

For Teachers 9th - 12th Standards
High schoolers solve matrices by multiplication. In this algebra lesson, students create coded messages and relate it to solving matrices. They multiply and find the inverse of matrices.
Lesson Plan
Curated OER

Matrices: A Secret Weapon

For Teachers 9th - 11th
Learners perform operations with matrices. In this algebra lesson, students use cryptography and cryptanalysis to solve problems. They add, subtract, and multiply matrices.
Worksheet
Math Salamanders Ltd.

Unit Fractions of Numbers 4

For Students 3rd - 4th Standards
In this unit/fractions worksheet, students find unit fractions of given numbers, then use a code grid to find a secret code word.
Lesson Plan
Curated OER

Detective Digis and the Computer Caper

For Teachers 6th - 9th
Mathematicians participate in an hands-on activity to investigate the binary number system and write messages in binary code and have classmates decipher the messages. A said video on the topic does not seem to be available, but the...
Lesson Plan
Curated OER

SHHH It's a Secret

For Teachers 8th - 10th
Young scholars rewrite word problems using expressions and equations. In this algebra lesson, students use the correct variable to solve and write equations. They use the TI to graph their solution.
Lesson Plan
Curated OER

Cracking the Code

For Teachers 2nd
Second graders explore patterns with colors, shapes, and numbers by completing a fun quiz, watching a video, creating their own secret patterns/codes and completing an online patterning game.
Lesson Plan
Curated OER

Algebra: Introduction to Algebraic Expressions

For Teachers 7th
Seventh graders, in an introductory algebra class, code and decode messages using substitution ciphers. Role-playing as mathematicians, they work in groups to decipher several messages, one of which translates to "math is awesome."
Lesson Plan
Curated OER

U Boat Hunt

For Teachers 10th - 12th
Students recognize patterns and sequences in numbers. For this geometry lesson, students create rules to define the sequences and patterns they obsere. They translate coded messages as they dicuss navigational terms.
Lesson Plan
Curated OER

Fraction Message

For Teachers 4th - 5th
Students practice identifying fractional parts represented in pictures and phrases. In this fraction lesson, students determine the proportion represented by common time and money phrases such as "3 hours in a day". Students match their...
Lesson Plan
Curated OER

Using An ATM

For Teachers 7th - Higher Ed
Learners engage in a lesson on how to use an ATM, or Automated Teller Machine. They see how to bank with an ATM and practice banking using several different types of transactions. This lesson includes a teaching worksheet to practice...
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.
Worksheet
2
2
K12 Reader

What Is a Glyph?

For Students 2nd - 3rd Standards
After reading a short passage about glyphs, kids must follow the provided directions to create a star glyph.