Real Math fun activity! RSA Encryption- Division Remainders Modular Arithmetic +
By Daniel
A very interesting piece of the Real-Life Math puzzle that is the ultimate activity!
This resource helps students to see how their knowledge of Rules of Divisibility, Divisors, Remainders, Telling Time are applied in real life. These skills are essential parts of RSA encryption - the most widely used form of cryptography.
The task, (with key), will involve...
The powers of 2
Introduction to Modular Arithmetic (telling time with a different base than 12)
The concept of congruent versus equal
Discovering the very powerful Euler Formula
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You might also want to look at the Bundle for all the Math for the RSA Cryptosystem!
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Modular Arithmetic is a central part of the RSA Public Key Cryptosystem and mathematicians, programmers and students who encrypt data will use it all the time.
It is important that students know (and that teachers always remind them) when they are busy with these topics, that they are learning fundamental mathematics needed to encrypt data and secret messages.
Real-Life Math Surface Area, Volume Filling Painting and Paving a Swimming Pool
By Daniel
This printable resource includes a task with complete key. Students will have to apply their knowledge of the
1) surface area and
2) volume of prisms, together with basic knowledge of
3) the area of quadrilaterals
...to solve some real-life problems. They will be challenged to think creatively about design and budget issues around a swimming pool, all the time, using their mathematical skills to problem-solve.
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Real-Life Math Fun activity, Volume of Spheres Task, with Complete Key
By Daniel
This printable resource includes a task and complete key. Students use the formula for the volume of a sphere and their knowledge of ratios to compare the sizes of a water tower to the moon to the earth to the sun to the largest star in the known universe (UY Scuti).
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I love to improve my resources, so any constructive feedback from you will be extremely welcome.
Enjoy this resource.
Real-Life Math activity! Trigonometry-Building a Ladder for my Suspended Bed
By Daniel
This is the perfect example of Real-Life Math and its application to the Real world.
This printable resource shows students the real-life trigonometry needed to do some basic carpentry - getting the angles right when building a ladder for a suspended bed. The contents include the trig ratios sine, cosine and tangent and the Theorem of Pythagoras.
This resource works great as ...
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Real-Life Math FUN! RSA Encryption Times-Tables Factors Multiples Products etc
By Daniel
A very interesting piece of the Real-Life Math puzzle that is the ultimate Back-to-school activity!
This resource is a middle and high school task, with complete key on factors, multiples, products, remainders and divisibility. The math covered is fundamental to RSA encryption, the surprise is, it is actually very easy and can be mastered by any middle or high schooler.
This resource works great as ...
You might also want to look at the Bundle for all the Math for the RSA Cryptosystem!
Please follow my store here to get notified of all new resources I create.
I love to improve my resources, so any constructive feedback from you will be extremely welcome.
Enjoy this resource.
https://www.TeachShare.com/Store/Real-life-Mathematics
Multiplication (Times) Tables, Products, Factors, Multiples, Prime Numbers and Rules for Divisibility form an important part of the RSA Public Key Cryptosystem. It is important that students know (and that teachers always remind them) when they are busy with these topics, that they are learning fundamental mathematics needed to encrypt data and secret messages.
This task, (with key), focuses on ...
Multiplication Tables
Listing Products in a set
Listing all the Factors of an Integer in a set
Listing Multiples of an Integer in a set
The proper notation for Factors, Products and Multiples
The qualities of Prime and Composite Numbers
The Rules of Divisibility of Integers
Exciting News: This task is the first of 7 that will teach students ALL the mathematics they need to be able to do RSA Encryption. You can find them all here.
Real-Life Math fun activity! Markup and Discount- 10 tasks with complete keys
By Daniel
This is a super activity for children to learn how the Math works in Real-Life!
This resource (task with complete key) contains...
This resource works great as ...
You may also like some other short Real-Life activities like this!
And Now with the Olympic Games!
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Students (and real people need to be able to do percentage problems quickly and efficiently as a life skill. The focus and aim of this resource is to achieve that goal.
If I weigh 210 lb and lose 15%, what do I now weigh?
If the price of an item of $80 goes up by 20%, what does it cost now?
Real-life Math and a part-time job! Hourly Wage and Total Income - y=mx+b
By Daniel
Perfect for an activity for children who wants to earn some pocket money at a part-time job!.
This printable resource includes a task with complete key. The focus is to make the straight line equation and its graph practical and applicable to a real life event - working for an hourly wage and getting paid a set amount per shift. Students get to graph equations with the table method, build the equation of a real-life example, solve simultaneous equations graphically and through the values in a table, and make some real-life choices about employment with their knowledge. Get them excited about the knowledge that they get to make their own decisions about who to work for, or what jobs they can choose to do!
This resource works great as ...
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I love to improve my resources, so any constructive feedback from you will be extremely welcome.
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Real-Life Math fun activity! Volume of Prisms- Did I get cheated with Ice Cream?
By Daniel
This printable resource includes a task with complete key. Students will use their knowledge of the volume of a prism to do an investigation into fair marketing and sales practices. Lots of containers of consumer products have a "false bottom". Do the retailers cheat us with this or do we get the amount we pay for? Other math topics needed to do this resource successfully include area of circles, ratios and percents.
Nothing compares with ice-cream, and that is why your child will remember this activity for a long time! Did they get cheated with the amount of ice-cream? No better Real-Life Math application than this.
This resource works great as ...
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I love to improve my resources, so any constructive feedback from you will be extremely welcome.
Enjoy this resource.
Real-Life Math fun activity with Ratios! - Which gas should we buy?
By Daniel
Which gas should I buy? Should I always buy the cheapest kind? Students use their knowledge of ratios and unit rates to make good, financially sound real-life choices.
The price of the different kinds of gas and the gas mileage each one gives you on your car has an influence on your choice.
The mathematical topics covered in this task include:
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You may also not want to miss the following resources, now in Olympic Games time!
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Real-Life Math fun activity! How much did it rain in Athens? Volume of Prisms
By Daniel
To measure the rain and use it in class for a Real-Life Math task is a wonderful activity! No better Real-Life Math application.
This printable resource includes a task with complete key. Students will calculate the amount of rain that fell in a 20-mile radius if it rains 1 inch. They will then determine what it would cost to bring that amount of water to Athens, GA, in shipping containers from the nearest lake. Students will calculate the volume of a cylinder and a rectangular prism, gas mileage, cost of transport, ratios and proportions and much more.
This resource works great as ...
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I love to improve my resources, so any constructive feedback from you will be extremely welcome.
Enjoy this resource.
Real-Life Math Fun activity!Compound Interest, Financial Real-Life Math task+Key
By Daniel
Talk about money, and all children are interested! That is why this practical Real-Life Math exercise is perfect always, as it shows them the real-World connection, but is also fun to do!
This task hones a student's skills to solve the four variables in the compound interest formula - Principle, Amount, Interest Rate and Period of Investment.
We also look at Exponential graphs, Logs (Logarithms) and how it is used in real-life in Financial Mathematics.
In order to do financial mathematics, calculate interest rates, future value of investments, etc. students need to be able to do exponents and logs.
Solving equations, changing the subject of the formula, literal equations.
Amount, principle, interest rate, simple interest, compound interest, interest compounded yearly, interest compounded monthly, interest compounded daily.
You might also not want to miss out on these resources on Financial Math!
If you enjoyed this resource, please leave a REVIEW at your leisure, for other possible buyers to know how you have experienced it. Thank you so much!
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I love to improve my resources, so any constructive feedback from you will be extremely welcome.
Enjoy this resource.