What is the value of $$\frac{2}{3}rs$$ if $$r = -\frac{6}{7}$$ and $$s = -\frac{3}{10}$$ ?

The value is $$\frac{6}{35}$$ .

What is the reciprocal of a fraction?

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

How do you simplify the expression $$\frac{12}{\frac{2}{3}}$$ ?

To simplify, multiply 12 by the reciprocal of $$\frac{2}{3}$$ , which gives $$12 \times \frac{3}{2} = 18$$ .

What is the result of adding two negative fractions, such as $$-\frac{2}{3} + -\frac{1}{4}$$ ?

To add, find a common denominator and combine: $$-\frac{8}{12} + -\frac{3}{12} = -\frac{11}{12}$$ .

What is the absolute value of a rational number?

The absolute value of a rational number is its distance from zero on the number line, regardless of direction. For example, $$|-3| = 3$$ .

How do you convert a mixed number to an improper fraction?

To convert a mixed number, multiply the whole number by the denominator and add the numerator. For example, $$2\frac{1}{3} = \frac{2 \times 3 + 1}{3} = \frac{7}{3}$$ .

What is the product of two negative numbers?

The product of two negative numbers is positive. For example, $$(-2) \times (-3) = 6$$ .

How do you find the least common multiple (LCM) of two numbers?

To find the LCM, list the multiples of each number and find the smallest multiple they share. For example, the LCM of 4 and 5 is 20.

What is the difference between a proper fraction and an improper fraction?

A proper fraction has a numerator smaller than its denominator (e.g., $$\frac{2}{3}$$ ), while an improper fraction has a numerator larger than or equal to its denominator (e.g., $$\frac{5}{4}$$ ).

Unit 3 Flashcard on Rational Numbers 2024(Accel.) Flashcards

Student preview

15 questions

Show all answers

1.

FLASHCARD QUESTION

Front

What is a rational number?

Back

Tags

CCSS.5.NBT.A.2

2.

FLASHCARD QUESTION

Front

How do you divide a whole number by a fraction?

Back

3.

FLASHCARD QUESTION

Front

What is the formula to find the multiplicative inverse of a number?

Back

Tags

CCSS.7.NS.A.1B

4.

FLASHCARD QUESTION

Front

Back

Tags

CCSS.7.NS.A.2A

5.

FLASHCARD QUESTION

Front

What is a natural number?

Back

Natural numbers are the set of positive integers starting from 1, such as 1, 2, 3, 4, etc.

6.

FLASHCARD QUESTION

Front

How do you calculate the total loss over multiple days?

Back

Tags

CCSS.7.EE.B.3

7.

FLASHCARD QUESTION

Front

What is the difference between a natural number and a whole number?

Back

Natural numbers are positive integers (1, 2, 3,...), while whole numbers include all natural numbers plus zero (0, 1, 2, 3,...).

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