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 $72 \times 5$?

Which of these gives a nice shortcut to compute $34 \times 11$ in your head?

Which of these is equivalent to $8888 \times 5 ?$