APPROXIMATING SQUARE ROOTS

You can learn how to approximate square roots by watching this video from Khan Academy, and practising with the corresponding exercises.

SCIENTIFIC NOTATION

THE RATIO AND FRACTION SONG

 
Just in case you want to sing, here you are the chorus:

Let’s study ratios

They compare values

You should know

A fraction is how it is shown

Fractions are part of a whole

And proportions are equal ratios

And unit rates are crucial so

Sing along to this video

ROUNDING DECIMALS

DIVIDING FRACTIONS

KEEP, CHANGE, FLIP.....
Yeah! That's the action!
Everybody's gonna know how we're dividing fractions!

ORDER OF OPERATIONS

If you want to remember the order of operations, remember this...

MULTIPLYING AND DIVIDING INTEGERS

Here you are another MC Santi's video song.