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# Rates Of Change Quiz

6 questions

### #1 of 6:Mild

Rate of change (Level 1 word problems)

<p>Alice opened a new savings account.</p><ul><li>Her initial deposit was `\$20`. </li><li>She deposited `\$5` per day for `6` days. </li><li>She then started to spend `\$10` per day for `7` days. </li></ul><p>Questions:</p><ul><li>What was her balance after `6` days?</li><li> What was her balance after the following `7` days?</li></ul><p><highlight data-color="#666" data-style="italic">Round to the nearest hundredth if needed. </highlight></p>

### #2 of 6:Mild

Rate of change (Level 1 word problems)

<p>Carol's savings account had an initial balance of `-\$200`. After saving for `10` months, her account's final balance was `\$2text(,)800`. </p> <p>What was the average rate at which Carol saved money every month?</p>

### #3 of 6:Medium

Rate of change (Level 1 word problems)

<p>Jasmine wanted to keep track of the balance in her account.</p><ul><li>Jasmine's balance at the start of the month was `\$45`. </li><li>She added `\$18` a day from her weekend work earnings into the account for `2` days. </li><li>Then, for the next `7` days, Jasmine spent `\$13` each day on snacks and beverages from the school cafeteria.</li></ul><p>Questions:</p><ul><li>What was the balance of her account after `2` days?</li><li>What was the balance of her account after the next `7` days?</li></ul><p><highlight data-color="#666" data-style="italic">Round to the nearest hundredth if needed. </highlight></p>

### #4 of 6:Medium

Rate of change (Level 1 word problems)

<p>A submarine had a starting elevation of `-10` feet. It then descended `40` feet per hour. </p> <p>What was the submarine's elevation `5` hours later?</p>

### #5 of 6:Medium

Rate of change (Level 1 word problems)

<p>In January, Regina's savings account had a balance of `-\$150`. She saved `\$400` per month for `9` months.</p> <p> What was her account balance at the end of October?</p>

### #6 of 6:Spicy

Rate of change (Level 1 word problems)

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

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A rate of change is a very knowledgeable tool in mathematics as it enables to identify the percentage change in any value over the defined period. By solving the Rate of change quiz, students can check their understanding of the changes between any two units.

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Signed Number Operations
7.NS.A.3

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### What teachers are saying about BytelearnWhat teachers are saying

Stephen Abate
19-year math teacher
Carmel, CA
Any math teacher that I know would love to have access to ByteLearn.
Jennifer Maschino
4-year math teacher
Summerville, SC
“I love that ByteLearn helps reduce a teacher’s workload and engages students through an interactive digital interface.”
Rodolpho Loureiro
Dean, math program manager, principal
Miami, FL
“ByteLearn provides instant, customized feedback for students—a game-changer to the educational landscape.”