Search Results: math dude (432)
How to Subtract Quickly Quick, what’s 212 – 22? If that’s too easy for you, how about something tougher like…
How to Tell If a Number is Divisible by 2 or 3 Learn how to test if a number is…
How to Tell If a Number is Divisible by 4, 5, or 6? Learn how to test if a number…
How to Think About Addition February 19, 2016 5-minute readWhat is addition? Of course you know the answer to this…
How to Think About Astronomically Large Numbers How big is the number 1 million? 1 billion? Or 1 million billion?…
How to Think About Division: Part 1 May 13, 2016 5-minute readWhat does it really mean to divide two numbers?…
How to Think About Division: Part 2 What does it mean to divide an integer by a fraction? Or a…
How to Think About Multiplication: Part 1 What happens when you multiply one number by another? Is there a right…
How to Think About Multiplication: Part 2 What does it mean to multiply a positive number by a negative number?…
How to Think About Small Numbers, Part 1 How can you understand the sizes of numbers that are unimaginably minuscule?…