What is the product of a number and its reciprocal?

1 (e.g., $$x \cdot \frac{1}{x} = 1$$ for any non-zero x).

If a number is 0, what is its reciprocal?

Undefined (0 has no reciprocal).

Reciprocals Flashcards

Student preview

14 questions

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1.

FLASHCARD QUESTION

Front

What does KFC stand for in math?

Back

Keep Flip Change

2.

FLASHCARD QUESTION

Front

What is the only number that has NO reciprocal?

Back

0

3.

FLASHCARD QUESTION

Front

What is the reciprocal for 10?

Back

$\frac{1}{10}$

4.

FLASHCARD QUESTION

Front

What is the reciprocal of 9?

Back

$\frac{1}{9}$

5.

FLASHCARD QUESTION

Front

Define reciprocal.

Back

The reciprocal of a number is 1 divided by that number.

6.

FLASHCARD QUESTION

Front

What is the reciprocal of a fraction $\frac{a}{b}$ ?

Back

The reciprocal is $\frac{b}{a}$ .

7.

FLASHCARD QUESTION

Front

What is the reciprocal of -5?

Back

$-\frac{1}{5}$

8.

FLASHCARD QUESTION

Front

If the reciprocal of a number is 2, what is the number?

Back

$\frac{1}{2}$

9.

FLASHCARD QUESTION

Front

What is the reciprocal of 1?

Back

1 (since $\frac{1}{1} = 1$ )

10.

FLASHCARD QUESTION

Front

How do you find the reciprocal of a decimal, e.g., 0.25?

Back

Convert to fraction: $0.25 = \frac{1}{4}$ , then take reciprocal: $4$ .

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