Video Transcript
Jennifer has two bags of
marbles. Which bag has more marbles than
the other?
In the picture, we can see the
two bags of marbles that Jennifer has. They’re labeled bag A and bag
B. We need to compare bag A with
bag B because we’re asked which bag has more marbles than the other. Which bag contains a larger
group of marbles?
Now the way these marbles have
been drawn, it could be quite difficult to match them up. Let’s use counters to help
us. First, we’ll count the marbles
in bag A. And we’re going to use one
counter for each marble that we count. One, two, three, four,
five. There are five marbles in bag
A. What about bag B? There are one, two, three
marbles in bag B.
Now we can compare the two
heights of the towers of counters that we’ve made. Tower A is taller than tower
B. So we know there must be more
counters in it. And we also know there must be
more marbles in bag A than bag B. And so, out of Jennifer’s two
bags of marbles, the bag that has more marbles than the other is bag A.
