Mastering Division Concepts for 2nd and 3rd Graders

The video tutorial introduces a problem of dividing donuts equally among pilots, leading to a chase in the sky. It explains division as repeated subtraction, using examples with donuts and a number line. The tutorial demonstrates how to divide 15 donuts among 3 pilots and solve 18 divided by 3 using a number line. The video concludes with a call to action to explore more content.

What event led to the need for learning about division?

• Mathematics class

• Pilots' meeting

• Doughnut Day at the airport

• Annual festival

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CCSS.3.OA.A.2

What is division similar to, in terms of operation?

• None of the above

• Subtraction

• Multiplication

• Addition

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CCSS.5.OA.B.3

What arithmetic operation is described as repeated subtraction?

• Addition

• Multiplication

• None of the above

• Division

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CCSS.3.OA.A.2

Which arithmetic operations are considered as building up?

• Multiplication and subtraction

• Subtraction and division

• None of the above

• Addition and multiplication

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CCSS.7.NS.A.1D

How many donuts does each pilot get when 15 donuts are divided among 3 pilots?

• 15 donuts

• 6 donuts

• 3 donuts

• 5 donuts

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CCSS.3.OA.A.2

How many groups are formed when dividing 15 donuts among 3 pilots?

• 3 groups

• 18 groups

• 15 groups

• 5 groups

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CCSS.3.OA.A.2

What multiplication fact relates to dividing 15 donuts among 3 pilots?

• 15 x 1 = 15

• 5 x 3 = 15

• 3 x 3 = 9

• 3 x 5 = 15

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CCSS.4.NBT.B.6

What is the result of 18 divided by 3 using a number line?

• 3

• 5

• 18

• 6

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CCSS.3.NF.A.1

CCSS.3.NF.A.2B

How many hops are counted on the number line when dividing 18 by 3?

• 18 hops

• 6 hops

• 5 hops

• 3 hops

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CCSS.4.NBT.B.6

CCSS.5.NBT.B.6

What final action does the narrator plan to take after landing?

• Fly another route

• Divide the donuts equally

• Leave the airport

• Start another lesson

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CCSS.RL.1.6

CCSS.RL.5.6

CCSS.RL.6.6

CCSS.RL.7.6

CCSS.RL.8.6