Money Math -- It
Snack: With adult supervision, cut a
long carrot sideways into "coins." Dip into ranch dressing. Enjoy with a glass
of fruit juice. Ah! Great-tasting food is worth a million!
Five small cardboard boxes
Masking tape or duct tape
At least five each of quarters,
dimes, nickels and pennies
Four $1 bills and a $5 bill, or
scrap paper to make play money
Scrap cardstock or paper
One of the most important grown-up skills is to be
able to figure out change. When you have a business transaction going on, even
if the cash register figures out how much change you should give, you should
know how to do it in your head just in case the machine goes crazy and tells
you something wrong. If it's supposed to be 22 CENTS and the machine says to
give the person back 22 DOLLARS, you can SEE that that could be a problem!
let's pretend! Let's play a game of Money Math! First, make a little "cash
register" out of small boxes. Tape four of them side by side, and then tape the
fifth one sideways, across the top. In the bottom of each box, write the kind
of coins you're going to keep in there: from left, 25₵ (for quarters),
10₵ (for dimes), 5₵, (for nickels) and 1₵ (for pennies). Then
put the coins in place.
can either use $1 and $5 bills, or make some out of scrap cardstock or paper.
Measure the bills and cut out cardstock or paper that's the same size. Draw the
$1 and $5 clearly so you don't get mixed up! Those should be laid across the top
of your "cash register."
cut up some cardstock or paper into squares that are 2" or 3" in size. These
will be the "playing cards" for our Money Math game. Write the following
amounts on each:
Now make new squares,
with these amounts on each:
as many more of these as you'd like. Just keep them under $5, to start.
let's play Money Math! You can do this alone, in pairs, or in a group.
Mix up the cards into a
deck so that they're jumbled up, but all upside down. Place them face down. If
two or more are playing, make sure everybody can see the card.
Now turn over a card. As
fast as you can, collect the coins or bills that will make that amount.
If it's $4.87, you'd use
four $1 bills, three quarters, a dime and two pennies. And so on.
See who is fastest at
putting money together.
Now let's see who can make
change the fastest!
Pretend a customer has
just given you a $5 bill to pay for something. Now turn over a card and it will
show you what the cost of the "item" is. You can either work the problem in
your head, using mental math, or do the subtraction on a piece of paper with a
pencil, off to the side.
Here's yet another game:
this time, turn over TWO cards at a time, add the numbers in your head, and
come up with the bills and coins that will make that sum. The faster you can do
it, the better you are at math. And we all know, math and money both really