The video tutorial explains how to estimate the total sales from ticket sales using rounding and multiplication. It begins with an introduction to the ticket sales scenario, followed by a demonstration of rounding numbers to the nearest ten. The tutorial then introduces a multiplication trick to simplify calculations, leading to an estimated total sales figure. The focus is on mental math techniques for quick estimations.

How many tickets were sold for the play?

• 50 tickets

• 30 tickets

• 40 tickets

• 42 tickets

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CCSS.1.NBT.A.1

What was the price of each ticket?

• $30

• $29

• $25

• $35

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CCSS.3.OA.A.3

To which number is 42 rounded?

• 50

• 45

• 40

• 30

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

To which number is 29 rounded?

• 20

• 35

• 25

• 30

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Why do we round numbers in this estimation process?

• To increase accuracy

• To use a calculator

• To simplify calculations

• To learn rounding

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CCSS.5.NBT.B.7

What is the estimated total revenue from ticket sales using rounding?

• $1,300

• $1,200

• $1,180

• $1,250

What multiplication trick is used to estimate the total sales?

• None

• Dividing by ten

• Subtracting zeros

• Adding zeros

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CCSS.4.NBT.B.5

What is the product of 3 and 4 in the context of this estimation?

• 10

• 15

• 12

• 7

What is the purpose of the zeros added in the multiplication trick?

• To adjust the scale of the numbers

• To make numbers smaller

• To confuse the calculation

• To decrease the value

Tags

CCSS.5.NBT.B.5