7th grade review

Find the Unit Rate.
405 rotations in 5 minutes   

• 81 rotations per minute
• 73 rotations per minute
• 18 rotations per minute
• 810 rotations in 10 minutes

The distance that an automobile travels varies directly as the time it travels. If the car travels 280 miles in 7 hours, how far will it travel in 12 hours?

• 480
• 1960
• 84
• 25

• 4
• 12

• 1
• 3

Tags

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

How do I solve a proportion?

• Cross divide and multiply
• Cross add and subtract
• Cross subtract and add
• Cross multiply and divide

What is the opposite of -15?

• 12

• -15

• 15

• 18

Which of these are a zero pair?

• -14 and 14

• 2 and 9

• -5 and -10

-2 - (-10) = ?

• -12
• 12
• 8
• -8

-2 - (-10) = ?

• -12
• 12
• 8
• -8

X + 5 = 26

• 31
• 21
• 16

Tags

CCSS.6.EE.B.7