Answer all the questions below and press submit to see how many you got right.
Hour : A unit for measuring time equal to 60 minutes.
Minute : A minute is a unit for measuring time equal to $\frac{1}{60}$ of an hour or 60 seconds.
How many minutes is $\frac{5}{6}$ of an hour?
Addition : Addition is the mathematical operation that describes increasing a number by an amount equal to a second number. The mathematical symbol for addition is the plus sign $+.$ The term addition is also used for a generalization of this basic operation on numbers to functions, vectors and matrices.
Multiple : A multiple of a number $x$ is any of the numbers $1x,2x,3x,4x,\ldots.$ For example the multiples of 7 include 7, 14, 21 and 70.
What is 4×4?
What is 6×6?