Ever wanted to impress everyone by solving complex multiplication problems in your head, without needing a pencil or paper? It's not magic; it's mental math—a superpower you can learn! This article is ...

Division is the opposite of multiplication. It's when a number is shared into another number. Knowing your times tables can be very useful when multiplying or dividing. Let’s take a look at some ...

19 is only 1 away from 20, so you prefer to start by multiplying 20 times 5, which equals 100. Then we need to take away a squadron of 5, because there are actually only 19 squadrons, not 20. 100 take ...

Notifications You must be signed in to change notification settings We've moved away from repl.it for coding exercises. Check out the new exercises on Coding Rooms with automated submissions. Write a ...

#Write a program that adds the digits in a 2 digit number. #e.g. if the input was 35, then the output should be 3 + 5 = 8 # Try to find out the data type of two_digit_number. # Think about what you ...

The inversion of number words influences numerical cognition even in seemingly non-verbal tasks, such as Arabic number comparison. However, it is an open question whether inversion of decades and ...

Decompose numbers to subtract. Engage in a Number Talk focused on subtraction strategies. Decompose numbers to subtract. Engage in a Number Talk focused on subtraction strategies. Can you solve the ...