BIDMAS
A self marking exercise testing the application of BIDMAS, an acronym describing the order of operations used when evaluating expressions.
Broken Calculator
Some of the buttons are missing from this calculator. Can you make the totals from 1 to 20?
Consecutive Numbers
Find the consective numbers that are added or multiplied to give the given totals
Make 1000
Use the numbers on the strange calculator to make a total of 1000
Calculator Workout
An animated guide to using a scientific calculator for Secondary and High School students.
Make an expression
Use the digits given to form an expression equivalent to the given total.
Calculator Words
Turn your calculator upside down to make words out of the answers to these questions.
Using A Calculator
Questions to test your ability to use a basic calculator, scientific calculator and a graphic display calculator.
Six Keys
Use just six keys on your calculator to make a given total. How many different ways can it be done?
Six Discrimination
The six button has dropped off! How could these calculations be done using this calculator?
Calculator Dice Video
If you have no dice don't despair because most scientific calculators have a random number generating facility as can be seen in this short video.
Using a Calculator
Want to know how to use your scientific calculator?
We thought this might be useful - here's an easy to follow, step by step guide.
Time calculations on a calculator
Time Calculations using Casio Calculator using the Degrees, Minutes and Seconds button.
TI-Nspire CX CAS overview
This is a video of a presentation introducing the TI-Nspire CS CAS calculator.
Animated Calculator
A visual aid calculator for projection onto a whiteboard or use in remote teaching.
Calculator Workout
An animated guide to using a scientific calculator for Secondary and High School students.
TI-Nspire Essential Skills
Learn a skill a day for 20 days in order to get the most out of this graphic display calculator.
Compound Interest Calculator
A customised online calculator for quickly finding the solutions to compound interest problems.
Inverse Trig Calculator
This calculator is designed to find all of the angles for a given trigonometric ratio and show them on a graph.
Triangle Solver
Provide and three measurements for a triangle and this application will work out the remaining sides, angles and area.
Normal Distribution Calculator
A customised online calculator for quickly finding areas under the normal distribution curve.
Balloon Bursting Buttons
Use only the 1, 5 and 0 keys on a calculator to make given totals.
Big Order
Estimate or calculate then put the large numbers in order of size.
Breathe Easily
How many breaths have you taken in your lifetime?
Broken Calculator (3 and 4)
Some keys are missing from this calculator. Just how useful is it?
Calc-A-Hundred
A game for two players requiring a calculator and thinking skills.
Calculator Nim
A game in which players take turns to add a single-digit number to what is already in the calculator. The winner is the player who makes the display show 30.
Digital Lights
Questions about the Small LEDs used to make up the digits on a calculator display.
Divided Age
How old is a person if when her age is divided by certain numbers, the calculator display ending are as shown.
Faulty Button
Find out which of the calculator keys is faulty from the given information. A mathematical puzzle requiring good problem solving strategies.
Four Gone
An activity involving a broken calculator which is missing the four button. Can you evaluate the given expressions without using the four?
Inbetweens
Find fractions between two given values.
Noodlewhack
Divide one whole number by another on your calculator. If the answer has one digit repeated but no other digits you have a Noodlewhack.
Only One Number
Find other numbers that can be changed to 1 on a calculator using only the 4 key and any operation.
Recurring Decimal
Use your calculator to find which whole number divided by another whole number gives a recurring decimal.
Render Digitful
Find a calculation for the current year which uses all of the digits 1 to 9.
Six Discrimination
An activity involving a calculator which is missing the six button. Can you evaluate the given expressions without using the six?
Six Keys
Use just six calculator keys to make a total of 20. In how many different ways can it be done?
Top Transfer
Beginning with 100 on your calculator, what is the largest and smallest totals you can end up with after travelling through each of the possible routes.
32 items are currently in this category.
Teachers might find the complete Calculator Topic List useful.
All pupils should learn to calculate accurately, selecting mental methods or calculating devices as appropriate. Pupils, through practice, should learn to use the most appropriate method to perform a calculation. It is appropriate for them to use a calculator when performing a calculation without a calculator will take an inappropriate amount of time.
In addition to simply finding answers, calculators provide a fascinating opportunity for pupils to investigate number patterns, properties and relationships. They can easily use a calculator to learn more about Mathematics through open ended explorations, games and puzzles.
On this website you can find activities which help pupils practise calculator skills and become more familiar with this essential tool whether it be basic, scientific or a graphic display calculator (GDC).
To specifically practise using a GDC there is nothing better than our Exam-Style Questions which include worked solutions, many of which contain screen shots of the TI-nSpire GDC.
