skill 4 quiz

Which of the following expressions represent the distance between 5/2 and 4 7/8 on a number line?

• -5/2 - 4 7/8

• 5/2- (-4 7/8

• none of them

Which of the following expression represents the distance between -3.9 and -4.7

• -4.7 -3.9

• none of them

• -3.9 - 4.7

A turtle challenges the Greek warrior Achilles to a race outside the gates of Troy. Achilles accepts. The turtle and Achilles start from the gates of Troy and race in a straight line away from the city. They keep a constant speed throughout the race. During the race, Achilles is F meters from the gate while the turtle is G from the gate what is the distance between F and G?

• F+G

• F-G

• none of them

A baby mango tree stands 2.6 meters above the ground . Its roots extended 7/5 meters below the ground.Which of the following expressions represent the vertical distance between the top of the mango tree and the tips of its roots?

• 2.6-7/5

• 7/5- 2.6

• none of the above

Select the number line model that matches the expression 8-1

• 8 to -1

• 8 to 1

• none of the above

Which of the following expressions represent the distance between -3/4 and -0.2 on a number line?

• -3/4 - -0.2

• 3/4 - -0.2

• none of them

Which of the following expressions represents the distance between -4 and 1

• -4 + 1

• -4 - -1

• none of them

Suppose your car has H liters of engine oil in the morning. During the day, some oil may have leaked, you may have added more oil, or both. The oil level in the evening is g liters. Which of the following expressions always represents how far away the new oil level is from the previous oil level?

• H+G

• lGl

• none of them

Mona is hang gliding 5/4 kilometers above sea level. Directly below her, she sees a whale 0.2 kilometers above sea level

Which of the following expressions represent the distance between Mona and the whale?

• 5/4 - -0.2

• 5/4 + -0.2

• none of the above

Select the number line model that matches the expression -2/3 - 5/3

• 5/3 to -2/3

• none of the above

• 5/3 to 2/3