# 7th Grade Math Signed Number Operations Unit Test

19 questions

### #1 of 19:Mild

Signed Number Operations

<p>Find the sum of `-2` and `-10` using the model below.</p> <SignTiles data-props='{ "items": [ { "signs": [ { "value": "-", "color": "red", "highlight": false, "disabled": false } ], "highlight_pair": false }, { "signs": [ { "value": "-", "color": "red", "highlight": false, "disabled": false } ], "highlight_pair": false } ]}'></SignTiles > + <SignTiles data-props='{ "items": [ { "signs": [ { "value": "-", "color": "red", "highlight": false, "disabled": false } ], "highlight_pair": false }, { "signs": [ { "value": "-", "color": "red", "highlight": false, "disabled": false } ], "highlight_pair": false }, { "signs": [ { "value": "-", "color": "red", "highlight": false, "disabled": false } ], "highlight_pair": false }, { "signs": [ { "value": "-", "color": "red", "highlight": false, "disabled": false } ], "highlight_pair": false }, { "signs": [ { "value": "-", "color": "red", "highlight": false, "disabled": false } ], "highlight_pair": false }, { "signs": [ { "value": "-", "color": "red", "highlight": false, "disabled": false } ], "highlight_pair": false }, { "signs": [ { "value": "-", "color": "red", "highlight": false, "disabled": false } ], "highlight_pair": false }, { "signs": [ { "value": "-", "color": "red", "highlight": false, "disabled": false } ], "highlight_pair": false }, { "signs": [ { "value": "-", "color": "red", "highlight": false, "disabled": false } ], "highlight_pair": false }, { "signs": [ { "value": "-", "color": "red", "highlight": false, "disabled": false } ], "highlight_pair": false } ]}'></SignTiles >

### #2 of 19:Mild

Signed Number Operations

<p>Find the value of `-9 + (-3)`</p>

### #3 of 19:Mild

Signed Number Operations

<p>Find the value of `22 - 98`.</p>

### #4 of 19:Mild

Signed Number Operations

<p>Find the value of `-2/9 - 4/9`.</p><p><highlight data-color="#666" data-style="italic">Write your answer as a fraction in the simplest form.</highlight></p>

### #5 of 19:Medium

Signed Number Operations

<p>Find the value of `-11/12 - 3/4`.</p><p><highlight data-color="#666" data-style="italic">Write your answer as a fraction in the simplest form.</highlight></p>

### #6 of 19:Medium

Signed Number Operations

<p>Find the value of `3 7/8 × (-5/3)`.</p><p>Write your answer as a fraction in the simplest form.</p>

### #7 of 19:Mild

Signed Number Operations

<p>Find the value of `(3/4) ÷ (-2/3)`.</p>

### #8 of 19:Medium

Signed Number Operations

<p>Find the value of `(4 1/2) / (-7/4)`.</p>

### #9 of 19:Medium

Signed Number Operations

<p>Find the value of `(-6) * (-3.35)`</p>

### #10 of 19:Medium

Signed Number Operations

<p>Find the value of `(-6.4) * (9.8)`</p>

### #11 of 19:Medium

Signed Number Operations

<p>Find the value of `-99 ÷ (-9)`.</p>

### #12 of 19:Medium

Signed Number Operations

<p>Find the value of `0.5 ÷ (-8)`.</p>

### #13 of 19:Medium

Signed Number Operations

<p>A cave diver ends up `-50` feet elevation. This is after he descended `30` feet. </p> <p>What was his original elevation?</p>

### #14 of 19:Medium

Signed Number Operations

<p>Dan’s savings balance was `-\$422.51`. The amount of `\$390.25` is deposited in his account in one month. </p> <p>What is Dan’s savings balance after one month?</p>

### #15 of 19:Medium

Signed Number Operations

<p>Sasha recorded the changes in temperature, in °C, throughout the day:</p><p>`10`°C, `-1`°C, `8`°C, `4`°C, `-2`°C.</p><p>In the morning, the temperature was `-13` °C, what was the temperature at night?</p>

### #16 of 19:Medium

Signed Number Operations

<p>At the beginning of the month, Graham’s bank statement showed the following deposits and withdrawals:</p><p>`-\$25.20`, `\$52.75`, `-\$22.04`, `-\$8.50`, `-\$52.11`</p><p>If the balance at the beginning of the month was `\$47.86`, what was the balance at the end of the month?</p>

### #17 of 19:Mild

Signed Number Operations

<p>Find the value of `-32 ÷ (-8)`.</p>

### #18 of 19:Spicy

Signed Number Operations

<p>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. </p> <p>What was the average rate of change in the elevation per hour?</p>

### #19 of 19:Spicy

Signed Number Operations

<p>Nathan opened an account with `\$100`. He deposited `\$20` from his pocket money weekly for the next `2 1/2` weeks. Thereafter, he spent `\$60` to commute to his college weekly for the following `3` weeks.</p><p>a. What was his account balance after `2 1/2` weeks?</p><p>b. What was her account balance after the following `3` weeks?</p><p>Round to the nearest hundredth if needed.</p>

Signed numbers are those numbers that have +ve or -ve signs. These numbers are also called integers. The concepts of signed numbers are crucial in mathematics. Students should give the signed number unit test to improve their understanding of the signed nu...

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Signed Number Operations

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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.”