Real-Life Applications of Arithmetic

The video tutorial explains how to represent real-world problems using symbolic multiplication. It covers examples like Sara's mountain hike, a baby's weight gain, Leslie's coffee expenses, and Tally's hot dog buns. Each scenario uses multiplication to calculate changes or totals, emphasizing the use of negative integers for decreases and positive integers for gains.

What symbol is used to represent multiplication in the symbolic form discussed in the video?

• Plus sign

• Asterisk

• Slash

• Dash

How is a decrease in elevation represented in Sara's hiking example?

• Positive 5

• Positive 60

• Negative 60

• Negative 5

What is the total change in elevation for Sara after hiking for 5 hours?

• 300 meters

• -300 meters

• 60 meters

• -60 meters

In the baby's weight gain example, how many ounces did the baby gain each month?

• 8 ounces

• 7 ounces

• 6 ounces

• 5 ounces

What is the total weight gain for the baby over 6 months?

• 30 ounces

• 48 ounces

• 36 ounces

• 42 ounces

How much does Leslie spend each time she buys coffee?

• $3

• $6

• $4

• $5

What is the total decrease in Leslie's checking account after buying coffee 9 times?

• $28

• $40

• $32

• $36

How many packages of hot dog buns did Tally buy?

• 40

• 30

• 35

• 45

How many buns are in each package Tally bought?

• 5 buns

• 8 buns

• 6 buns

• 7 buns

What is the total number of hot dog buns Tally has after buying 40 packages?

• 320 buns

• 300 buns

• 360 buns

• 280 buns