Rate Of Change (Level 2 Word Problems) Problems

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#1 of 8: Medium

Rate of change (Level 2 word problems)

John is fascinated by the landscape of Lake Enriquillo. He used a drone to capture it. He is standing at an elevation of `3` meters above sea level and after `16` minutes, his drone is at an elevation of `-45` meters. What was the average rate at which the drone descended per minute?

#2 of 8: Medium

Rate of change (Level 2 word problems)

Ariana's savings account balance is `-$200` after she spent the same amount every week for `20` weeks. Since her starting savings account balance was `$800`, what was the average rate at which Ariana was spent money every week?

#3 of 8: Medium

Rate of change (Level 2 word problems)

The average temperature in a town was `8`°C at `1` pm. After `5` hours, the average temperature is `-2`°C. What was the average rate at which the temperature dropped every hour?

#4 of 8: Medium

Rate of change (Level 2 word problems)

The account balance of Ashley is `-$250` on 1st January 2021. Her bank's final balance was `-$600` after spending for `6` months. At what rate was Ashley spending per month?

#5 of 8: Mild

Rate of change (Level 2 word problems)

Selena's bank account balance is changed to `$5600.68` after saving some amount every month for `20` months. If her account had an initial balance of `-$400`, what was the average rate at which Selena was saving every month?

#6 of 8: Spicy

Rate of change (Level 2 word problems)

A submarine was at an elevation of `-394` feet. Its elevation becomes `-634` feet after descending for `40` seconds. What was the average rate at which the submarine was moving every second?

#7 of 8: Spicy

Rate of change (Level 2 word problems)

A team of miners started at an elevation of `-0.5` feet. After digging for `5` hours, they reached an elevation of `-23.5` feet. What was the average rate of change in the elevation per hour?

#8 of 8: Spicy

Rate of change (Level 2 word problems)

A surfer starts at `-10` feet. Their new elevation is `-93` feet after descending for `8` minutes. What was the average change in the scuba diver's elevation every minute?

The total amount of change in one item divided by the corresponding amount of change in the other item is known as ‘rate of change’. A rate at which the rate of any one quantity changes with respect to the other quantity is rate of change. For example, the distance travelled by a car in a particular time can be determined by the rate of change.

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Grade 7

Signed Number Operations

7.NS.A.3