Lesson 8 Adding Negative Numbers

The sum of -29 and -64 is....

• -93

• -35

• 35

• 93

• 6.3

• -6.310

• -0.3

• -6.3

 $26\frac{1}{4}$  as a decimal is....

• 26.4

• 26.1

• 26.25

• 26.14

 $-12\frac{3}{5}$  as a decimal is....

• -12.6

• -12.3

• -12.35

• -12.5

 $5\frac{3}{4}$  as a decimal is.... 

• 5.75

• 5.4

• 5.3

• 5.34

Answer explanation

Not on the same time. So you had to subtract. The positive number has a higher absolute value so your answer will be positive.

• greater than 

• less than

Answer explanation

When both numbers are negative, the closer it is to zero it is a bigger value.

• greater than 

• less than

Answer explanation

When both numbers are negative, the farther it is from zero it is a smaller value.

Is  $\left(-78.1\right)+52.3$   greater than or less than  $35.7+\left(-71.8\right)$  ?

• greater than

• less than 

The height of Tyson's lemongrass plant is  $35\frac{1}{4}$  in. Tyson changes the plant's height by  $-15\frac{1}{2}$  in. when he cuts its stalks to use in her grandmother's recipe for Vietnamese Lemongrass Chicken. Not long after, the plant's growth changes its height by  $4\frac{3}{4}$  in. 

•  $19\frac{3}{4}$  in

•  $24\frac{1}{2}$  

•  $32\frac{1}{4}$  

•  $55\frac{1}{2}$