Operations with Rational Numbers Flashcards

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9 questions

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1.

FLASHCARD QUESTION

Front

Who is correct?
Sallie: $16\div2\times8=64$
Brian: $16\div2\times8=1$

Back

Sallie

2.

FLASHCARD QUESTION

Front

21 ÷ 7 + 4 (2)

Back

11

3.

FLASHCARD QUESTION

Front

$-8(-3+-10)-5$

Back

99

4.

FLASHCARD QUESTION

Front

4.2 − 0.2 (6) =

Back

3

5.

FLASHCARD QUESTION

Front

ALWAYS FOLLOW ORDER OF OPERATIONS. $-8.2+4.5\cdot-1.4$

Back

-14.5

Answer explanation

$-8.2+4.5\cdot-1.4$
Be sure that you followed order of operations and did the multiplication first.
Was your product negative, since negative times positive is negative?
Finally, when you added, was your sum negative, since negative plus negative is more negative?

6.

FLASHCARD QUESTION

Front

Back

11.5

7.

FLASHCARD QUESTION

Front

Evaluate(solve) the expression. Write the answer in simplest form. $\frac{2}{5}\ +\ 2\frac{4}{5}\div1\frac{3}{4}$

Back

2

8.

FLASHCARD QUESTION

Front

$\frac{2}{3}\times\left(1\ \frac{1}{3}+\frac{5}{3}\right)$

Back

$2$

9.

FLASHCARD QUESTION

Front

$\frac{12}{\left(-2-4\right)}-8$

Back

-10

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Operations with Rational Numbers

9 questions

-8.2+4.5\cdot-1.4−8.2+4.5⋅−1.4 Be sure that you followed order of operations and did the multiplication first.Was your product negative, since negative times positive is negative?Finally, when you added, was your sum negative, since negative plus negative is more negative?

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$-8.2+4.5\cdot-1.4$
Be sure that you followed order of operations and did the multiplication first.
Was your product negative, since negative times positive is negative?
Finally, when you added, was your sum negative, since negative plus negative is more negative?