Mathematical Problem Solving Concepts

This video tutorial covers various math problems for seventh-grade students, including calculating unit rates for different items, solving integer multiplication problems, using equations to represent real-life scenarios, employing tape diagrams for equation solving, determining the range of a data set, and calculating sale prices with percentage discounts. Each problem is explained step-by-step to enhance understanding.

What is the cost per pound of apples if 4 pounds cost $5?

• $1.50

• $1.25

• $1.00

• $2.00

If a half pound of cheese costs $3.50, how much does one pound cost?

• $8.00

• $7.00

• $6.00

• $5.00

What is the result of multiplying a positive number by a negative number?

• Undefined

• Positive

• Negative

• Zero

What is the product of -2/39 and 39?

• -2

• 1

• 2

• 0

In the story about the family buying tickets, what does 'x' represent?

• Number of tickets

• Cost of a ticket

• Total cost of snacks

• Number of snacks

What is the solution for 'x' in the equation 6x + 18 = 24?

• 3

• 2

• 4

• 1

What does the tape diagram represent in the equation 6x + 6 = 24?

• 6 sections each worth 4

• 4 sections each worth 6

• 8 sections each worth 3

• 3 sections each worth 8

What is the range of temperatures if the lowest is -5 and the highest is 22?

• 27

• 17

• 30

• 22

How much is 25% of $24?

• $5

• $4

• $6

• $7

What is the sale price of a shirt originally costing $24 with a 25% discount?

• $20

• $18

• $16

• $22