Multiplying Whole Numbers in Applications

This video tutorial covers three examples of using multiplication to solve real-world problems. The first example involves calculating the total number of hot dogs Vanessa brought to a family reunion by multiplying the number of packs by the number of hot dogs per pack. The second example determines the number of women in a choir, given that there are twice as many women as men. The final example calculates the area of Renee's driveway using the formula for the area of a rectangle. Each example demonstrates the application of multiplication in different contexts.

What is the total number of hot dogs Vanessa brought to the family reunion?

• 84

• 96

• 108

• 72

Tags

CCSS.3.OA.B.5

Which property of multiplication is used to simplify the calculation of 8 times 12?

• Distributive Property

• Identity Property

• Commutative Property

• Associative Property

Tags

CCSS.3.OA.A.3

If there are 18 men in the choir, how many women are there?

• 36

• 24

• 54

• 18

Tags

CCSS.3.OA.A.1

What is the result of multiplying 2 by 18 in the choir example?

• 34

• 36

• 38

• 32

Tags

CCSS.3.OA.A.3

How can the number of women in the choir also be calculated besides using multiplication?

• By subtracting 18 from 36

• By multiplying 18 by 3

• By adding 18 to 18

• By dividing 36 by 2

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What is the formula used to calculate the area of a rectangle?

• Length - Width

• Length x Width

• Length / Width

• Length + Width

What are the dimensions of Renee's driveway?

• 40 feet by 20 feet

• 50 feet by 25 feet

• 45 feet by 20 feet

• 30 feet by 15 feet

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What is the area of Renee's driveway?

• 900 square feet

• 800 square feet

• 850 square feet

• 950 square feet

Tags

CCSS.4.NBT.B.5

How is the multiplication of 45 and 20 simplified in the video?

• By using the commutative property

• By using the distributive property

• By using the associative property

• By multiplying by a multiple of 10

Tags

CCSS.3.OA.C.7

What is the significance of the zero in the ones place when multiplying by a multiple of 10?

• It indicates a division

• It indicates an addition

• It indicates a subtraction

• It indicates a placeholder

Tags

CCSS.3.OA.C.7