Question

Ten pennies make a dime. How many pennies make four dimes?On the double number line below, fill in the given values, then use multiplication ordivision to find the missing value:

Answer 1

From the statement we know that:

1 dime = 10 pennies

Q) We want to know how many pennies make four dimes.

A) We simply multiply each side of the equation above by 4, we get:

4 x 1 dime = 4 x 10 pennies

4 dimes = 40 pennies

So we find that 40 pennies make 4 dimes and we can complete the boxes in the following way: