Teacher's Resources

What is the additive inverse of $\frac{3}{13}$ ?

$-\frac{13}{3}$

$\frac{13}{3}$

$-\frac{3}{13}$

$\frac{3}{13}$

What is the multiplicative inverse of $\frac{6}{-23}$ ?

$\frac{23}{6}$

$-\frac{23}{6}$

$\frac{6}{23}$

$-\frac{6}{23}$

What is the additive inverse of $\frac{-11}{30}$ ?

$\frac{-11}{30}$

$\frac{11}{-30}$

$\frac{11}{30}$

$\frac{30}{11}$

What is the multiplicative inverse of $-7\frac{1}{3}$ ?

$\frac{22}{3}$

$-\frac{22}{3}$

$\frac{3}{22}$

$-\frac{3}{22}$

What is the sum of a rational number and its additive inverse?

1

0

2

–1

What is the multiplicative inverse of $1\frac{3}{4}$ ?

$-\frac{4}{7}$

$-\frac{7}{4}$

$\frac{7}{4}$

$\frac{4}{7}$

What do we get when a non-zero rational number is divided by itself?

0

‒1

1

10

What is the value of (–4) ÷ $\frac{-2}{3}$ ?

–6

–2

12

6

What is the value of $\frac{-3}{5} \div 2$ ?

$\frac{3}{10}$

$\frac{-6}{5}$

$\frac{-3}{10}$

$\frac{-3}{7}$

What should be multiplied by $\frac{-5}{8}$ to obtain the nearest integer?

$\frac{8}{5}$

$\frac{-8}{5}$

$\frac{-5}{8}$

$\frac{5}{8}$

What should be divided by $\frac{1}{2}$ to obtain the greatest negative integer?

$\frac{-1}{2}$

$\frac{1}{2}$

$\frac{-2}{1}$

$\frac{2}{1}$

4. 2Rational Numbers