Quiz about Addition and Subtraction with Rational Numbers

Question 1

Which of the questions below can be answered using the sum -12+10? Select all that apply.

Accepted Answer

At 6:00 a.m., the temperature was -12 degrees Fahrenheit. Two hours later, the temperature was 10 degrees warmer. What was the temperature at 8:00 a.m.?

Accepted Answer

A quarterback lost 12 yards on first down but then gained 10 yards on second down. What is the quarterback's total number of yards?

Answer

While playing the Integer Game, Richard's hand had a value of -12, and Jason's hand had a value of 10. How many more points did Jason have than Richard?

Answer

Harper owed her mother $10. In order to go to the movies, she had to borrow $12 from her mother. How much does Harper owe her mother now?

Question 2

What card(s) could you remove from your hand in order to increase your score? Select all that apply.

Accepted Answer

-8

Accepted Answer

-3

Answer

4

Answer

2

Question 3

Add.

Accepted Answer

-4

Answer

-3

Answer

0.8

Answer

4

Question 4

-51 + 81.623

Accepted Answer

30.623

Answer

-30.623

Answer

132.623

Answer

-132.623

Question 5

- 5.62 + (- 12.9)

Accepted Answer

- 18.52

Answer

-6.91

Answer

6.28

Answer

6.91

Question 6

5.23 - (-9.1)

Accepted Answer

14.33

Answer

-3.87

Answer

3.87

Answer

4.32

Question 7

Mr. Smith has an account balance of -$275.78. He deposits $539.20 into his account. What is Mr. Smith's account balance now?

Accepted Answer

$263.42

Answer

$813.98

Answer

$539.78

Answer

$345.98

Question 8

-51 + 81.623

Accepted Answer

30.623

Answer

-30.623

Answer

132.623

Answer

-132.623

Question 9

Mr. Smith has an account balance of -$275.78. He deposits $139.20 into his account. What is Mr. Smith's account balance now?

Accepted Answer

$-136.58

Answer

$-414.98

Answer

$136.58

Answer

$414.98

Question 10

What does the following problem turn into after KCC?

Accepted Answer

-3.5 + -1.6

Answer

-3.5 + 1.6

Answer

3.5 + -1.6

Answer

3.5 + 1.6

Question 11

When adding or subtracting RATIONAL NUMBERS with LIKE DENOMINATOR denominator you should

Accepted Answer

simplify if need

Accepted Answer

keep the denominator

Accepted Answer

add or subtract the numerators

Answer

multiply the denominators

Question 12

When adding or subtracting rational numbers, what must you have?

Accepted Answer

Common Denominators

Answer

Common Numerator

Answer

Quick Answering Skills

Answer

Common Numbers

Question 13

How do you add rational fractions? $$-\frac{2}{7}\ +\ 4\ \frac{1}{2}$$

Accepted Answer

All of the above.

Answer

Change Mixed numbers into improper fractions.

Answer

Get common denominators and equivalent fractions.

Answer

Follow Adding Rules across the top and keep the same denominator.

Question 14

How do you subtract rational numbers? $$\left(-7.18\right)\ -\ \left(-8.25\right)$$

Accepted Answer

Keep - Change - Opposite

Answer

Multiply the values.

Answer

Divide the values.

Answer

Make mixed numbers.

Question 15

When ADDING a (Negative) + (Negative) =

Accepted Answer

a NEGATIVE answer because you move further to the left on the number line.

Answer

a POSITIVE answer.

Answer

a million.

Answer

a hundred and one.

Question 16

Eleni withdrew $45 from her savings account. She then used her debit card to buy groceries for $30.15. What was the total amount Eleni took out of her account?

Accepted Answer

$75.15

Answer

$14.85

Answer

$15.85

Answer

$75

Addition and Subtraction with Rational Numbers

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