Measurement Error and Proportionality Quiz

What is the rounded measurement of a lake's depth if the actual depth is 15.8 meters?

• 15 meters

• 16.5 meters

• 15.5 meters

• 16 meters

How much does the measured depth differ from the actual depth if the actual depth is 15.8 meters and the rounded depth is 16 meters?

• 0.4 meters

• 0.1 meters

• 0.2 meters

• 0.3 meters

If a watermelon weighs 8475 grams and the scale shows a 12% error under the actual weight, what is the measured weight?

• 1017 grams

• 7458 grams

• 8475 grams

• 9458 grams

What is the thermometer reading if the actual temperature is 325°F and the thermometer shows a 2% higher reading?

• 328°F

• 325°F

• 331.5°F

• 330°F

If the thermometer reads 76°F and it is known to show a 2% higher reading, what is the actual temperature?

• 74.51°F

• 76°F

• 75°F

• 77°F

How many ounces of peanut butter are left if there were originally 80 ounces and now there is one-third less?

• 26.67 ounces

• 60 ounces

• 53.33 ounces

• 40 ounces

What is the area of a square with side lengths of 3 cm?

• 9 cm²

• 6 cm²

• 12 cm²

• 15 cm²

What is the area of a square with side lengths of 100 cm?

• 1000 cm²

• 10000 cm²

• 100 cm²

• 5000 cm²

Is the relationship between the side length and area of a square proportional?

• Yes, it is proportional

• No, it is not proportional

• It depends on the side length

• Only for certain side lengths

What is the area of a square with side length 's'?

• s cm²

• s/2 cm²

• s² cm²

• 2s cm²