Basic Mathematics
Basic Mathematics Warmups
Which of the following is equivalent to calculating 20% of 36?
Instead of multiplying by 5, it might be easier to multiply by 10.
Which of these is an easier version of ?
Which of these gives a nice shortcut to compute in your head?
Which of these is equivalent to
When calculating by hand, we have to do a lot of "borrowing". It would be much easier to subtract from 99 instead. Which of the following is equivalent to ?