Rational Number Operations

Rational Number Operations

​

​Use your notes AND use scratch paper!

​Adding/Subtracting Rational Numbers

Multiple Choice

-10 + 8

• -2

• 2

• 18

• -18

Multiple Choice

9.7 + (-1.2)

• 10.9

• -8.5

• 8.5

• -10.9

Multiple Choice

$$-\frac{8}{9}+\left(-\frac{2}{9}\right)$$  

• $$-\frac{6}{9}$$  

• $$-1\ \frac{1}{9}$$  

• $$1\ \frac{1}{9}$$  

• $$\frac{2}{3}$$  

Multiple Choice

$$-23-\left(-18\right)$$  

• -5

• 5

• 41

• -41

​

​Use your notes AND use scratch paper!

​Multiplying/Dividing Rational Numbers

Multiple Choice

$$12\times-2$$  

• 24

• -24

• 14

• -14

Multiple Choice

$$-\frac{4}{5}\times-\frac{2}{3}$$  

• $$\frac{6}{8}$$  

• $$-\frac{8}{15}$$  

• $$-\frac{6}{8}$$  

• $$\frac{8}{15}$$  

Multiple Choice

$$-7.8\div-6$$  

• -1.3

• 1.3

• 1.8

• -3.2

Multiple Choice

$$-\frac{1}{3}\div\frac{3}{4}$$  

• $$-\frac{3}{12}$$  

• $$\frac{4}{9}$$  

• $$\frac{1}{4}$$  

• $$-\frac{4}{9}$$