(soft music plays)

Troy stands next to a gray chalkboard showing math signs, different coins, a black and white spinner and colourful logo that reads "TVOKids Home Work Zone." He is in her early thirties, clean-shaven and bald. He wears a blue T-shirt and a watch.

He says HEY GUYS, YOU
NEED ANY HELP WITH MATH?
I'M TEACHER TROY AND I'M HERE TO
TALK ABOUT PROBABILITY.
PROBABILITY TALKS ABOUT THE
CHANCES, WHAT ARE THE CHANCES OF
YOU WINNING SOMETHING.
WHAT ARE THE CHANCES OF
SOMETHING HAPPENING.
LOOKING AT DIFFERENT THINGS LIKE
OUTCOMES.
SO FOR EXAMPLE WHEN YOU'RE
THINKING ABOUT ENTERING A
CONTEST OR WINNING THAT RAFFLE.
WHEN YOU HAVE YOUR TICKET AND
YOU WANT TO PUT IT IN THAT BIG
DRUM AND THEY SPIN THAT BIG
DRUM, WHAT ARE THE CHANCES OF
YOU WINNING THAT BIG PRIZE.
THAT'S WHAT PROBABILITY TALKS
ABOUT.
SO FOR EXAMPLE TO HELP US
UNDERSTAND PROBABILITY WE LOOK
AT THINGS CALLED SPINNERS.

A close-up shot shows a round spinner with an arrow in the center.

He continues A SPINNER HERE, IS BASICALLY HAS
A CIRCLE OR IT CAN BE A SQUARE
AND IT'S DIVIDED IN TO EQUAL
PARTS.
IN THIS CASE WE HAVE A SPINNER
THAT'S DIVIDED IN TO TWO EQUAL
PARTS SO THE PROBABILITY OF
LANDING ON ONE OF THESE - THE
STAR REGION AREA OR THE CIRCLE
AREA IS ONE HALF OR IN THIS CASE
50-50, SO ONE HALF.
SO IF I SPIN THIS, IT ENDS UP ON
THE LINE OF COURSE, THAT'S
GREAT.
AND OF COURSE THIS ONE ENDS UP
ON THE STAR .
WE SPIN AGAIN AND IT ENDS UP ON
THE CIRCLE.
SO AS WE SEE CIRCLE, STAR, SO
YOU HAVE AN EQUAL CHANCE OR AN
EQUAL PROBABILITY OF LANDING ON
BOTH.
SOMETIMES YOU GET, SPINNERS THAT
ARE A LITTLE DIFFERENT.

He shows a yellow and red square spinner.

He continues NOW THIS ONE DOESN'T LOOK LIKE
IT'S SEPARATED IN TO EQUAL
PARTS - WE HAVE THE RED AND THE
YELLOW .
SO IF WE LOOK AT IT, YOU CAN
ACTUALLY SEPARATE THE RED REGION
IN TO THREE RED SQUARES AND THE
YELLOW IN TO ONE YELLOW SQUARE.
SO THEREFORE THE PROBABILITY OF
LANDING ON RED IN THIS CASE IS A
LOT STRONGER BECAUSE THE RED,
THERE'S MORE RED THAN THERE IS
YELLOW.
SO IF WE SPIN, WE END UP ON THE
RED.
SPIN IT AGAIN, END UP ON THE RED
AGAIN.
YOU KEEP SPINNING AND YOU SEE IF
HAS MORE OF A CHANCE OR MORE OF
A HIGHER PROBABILITY OF LANDING
ON THE RED.
SO JUST TO THINK ABOUT IT, IF
YOU ENTER A CONTEST OR A RAFFLE
AND THERE'S MORE PEOPLE, THE
MORE PEOPLE THAT GET INVOLVED,
THE LESS CHANCE YOU HAVE OF
WINNING WHICH MEANS YOU HAVE A
LOWER PROBABILITY OF WINNING.
SO YOU WANT TO ENTER A CONTEST
WHERE THERE'S ONLY LIKE YOU AND
MAYBE ONE FRIEND OR WHY DON'T
YOU JUST ENTER A CONTEST WHERE
ONLY YOU CAN WIN.
THAT'S, YOU'LL ALWAYS WIN EVERY
TIME, SO YOUR PROBABILITY IS
100 percent.
I'M TEACHER TROY, I HOPE THAT
HELPS YOU WITH PROBABILITY.