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  • Welcome to Crash, Course, Math!

  • Hey Brainiacs! What do we have here?

  • Were going to have lots of fun today!

  • Weve got small vehicles, medium vehicles and a

  • large vehicle!

  • Here’s a small Smart Car (beep, beep)

  • A medium monster truck (rev, rev)

  • A large haul truckwoah, look how big it is!

  • Weve also got a medium fire truck

  • and a small bulldozer!

  • Check it out! Weve got some great big bowling pins

  • set up in the street!

  • There are 10 pins, just like in a bowling alley.

  • We can use adding to quickly count them up.

  • This row has four,

  • and this row has three.

  • So four, plus three, equals seven.

  • There are three more so seven, plus three, equals ten!

  • There are ten bowling pins set up in the street.

  • Let’s see how many of these pins each vehicle can

  • knock down!

  • Can you guess which one will knock over the most pins?

  • Let’s start with the Smart Car.

  • OK little Smart Car, let’s see how many pins you

  • can knock down!

  • Ready? Go little Smart Car!

  • Awe, the little bitty Smart Car was too small to knock

  • down many of the pins. How many did he get?

  • That’s easy, we can just count them…1, 2.

  • The Smart Car knocked over 2 pins.

  • Let’s see how many pins the little bulldozer can get.

  • Go little bulldozer!

  • I bet he can knock down more than the little

  • smart car.

  • Not too bad! There are 5 pins left standing.

  • We know that we started with 10 pins so we can find

  • how many pins were knocked down by subtracting

  • five from ten.

  • Ten, minus five, equals five!

  • So the bulldozer knocked over 5 pins!

  • How many pins do you think the monster truck

  • will knock down?

  • Ready? Three, two, one...Go!

  • Looks like the monster truck knocked down even

  • more pins!

  • There are four pins remaining, so how many did he

  • knock down?

  • We started with ten pins, so if we subtract the pins

  • that are left, well find the number that was

  • knocked down.

  • So ten, minus four, equals six.

  • The monster truck knocked down 6 pins.

  • Looks like he’s in the lead now.

  • Let’s give the fire truck a try. [Siren & horns]

  • Can you guess how many pins the fire truck will

  • knock down?

  • All set? Go fire truck!

  • Wow, good job! There are only 3 pins left standing!

  • So if we started with ten, and we have three left

  • standing, that means that ten, minus three,

  • equals seven pins knocked down!

  • That’s the most pins so far!

  • Now it’s time for the giant haul truck!

  • I bet it’s gonna knock down a lot of pins!

  • Ready? GO!

  • Here we go! Let's see how many we'll get!

  • StrrrIKE! The haul truck knocked down all of the pins!

  • So there are zero bowling pins left standing!

  • So ten pins, minus zero pins left standing, equals

  • ten pins knocked down!

  • We have a winner! [cheers]

  • The haul truck knocked down the most pins of

  • all the vehicles!

  • Did you guess right?....

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  • Thanks for watching Brainiacs. See you next time!

Welcome to Crash, Course, Math!

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