Math Revision worksheet gr 8

 Y varies directly with x, and y is 84 when x is 16. Which equation represents this situation?

• y=1344x
• y=100x
• y=5.25x
• y=4/21x

Tags

CCSS.8.EE.B.6

CCSS.8.F.B.4

Do the ratios form a proportion?

• Yes, they form a proportion.
• No, they do not form a proportion.

Tags

CCSS.7.RP.A.2A

Do the ratios form a proportion?

• Yes, they form a proportion.
• No, they do not form a proportion.

Every 30 seconds, you can text 35 words. How many words can you type in an hour? 

• 2,300
• 4,200
• 540
• 1,800

Tags

CCSS.3.OA.D.8

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

Tags

CCSS.7.RP.A.3

Find missing side

• 5
• 7
• 9
• 11

Tags

CCSS.HSG.SRT.A.2

Identify whether the given relation is Direct or Indirect Proportion?
Area of cultivated land and the crop harvested 

• Director Proportion
• Indirect Proportion

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.3

6 pipes fill a tank in 120 minutes, then 5 pipes can fill it in _______ minutes

• 100 
• 174
• 144
• 108

Tags

CCSS.6.RP.A.3B

Say 'TRUE' or 'FALSE'
The population of a country and the area of land per person are inversely proportional

• TRUE
• FALSE

The amount of money earned on a job is directly proportional to the number of hours worked.  If $70.00 is earned in 5 hours, how much money is earned in 22 hours of work?

• $2
• $308
• $1.57
• $265

Tags

CCSS.8.EE.B.6

CCSS.8.F.B.4

CCSS.8.EE.B.5

CCSS.8.SP.A.3