Question

Maya has 462 pennies. Use mental math to find how many pennies are left if she puts them in stacks of 50 pennies. Explain your reasoning.

Answer 1

Explanation:

12 pennies left....because when ur counting by 50's, u know ur gonna hit 450...and that just leaves 12 pennies

Answer 2

Explanation:

`50 * 9 + 12 = 462 \\ \\ \therefore \: 12 \: pennies \: are \: left.`