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Unit 3a/b Reteach: Rational Numbers

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Last updated 3 months ago
10 questions
1
Question 1
1.

Which of the following statements is TRUE?

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1
Question 3
3.

Sasha was comparing the amount of money her friends had for the weekend.
  • Mia (M) deposited $4.50 into her bank account.
  • Jordan (J) borrowed $3.25 from a friend.
  • Lily (L) lost 7 quarters.
Which number line BEST represents the rainfall for each city, where zero represents the prior year?

1
Question 4
4.

1
Question 5
5.

The chart shows the lowest elevations for four states.
If Georgia is considered sea level, which state listed in the table is closest to Georgia’s elevation?

1
1
Question 7
7.

List the following in descending order.


(top to bottom)

  1. |-5|
  2. -35
  3. -1.5
1
Question 8
8.

The bottom of the ocean is 6 feet below the surface of the water. The surface of the water is represented by the 0. A bird flying in the sky is the same distance above the surface of the water as the bottom of the ocean. What number represents the location of the bird?

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Question 9
9.
A scuba diver is exploring the ocean. One diver, Lena, is 82.5 meters below sea level. Another diver, Rico, is 47 meters below sea level.

Which diver is farthest from the surface? _______ just type Lena or Rico
Justify your answer using a number line or a statement of absolute value._______ (this will be graded by your teacher, so it will not be marked correct!)
1
Question 10
10.
Marcus, Olivia, Jordan, Bella, and Ethan all checked their bank accounts on Friday. Their bank statements and balances are listed below.
Marcus: –$8.50
Olivia: $15.75
Jordan: –$2.25
Bella: $9.60
Ethan: –$4.80
Who has the most money? __________
Who has the most debt? __________
Justify your answer by creating an inequality statement comparing who has the most money to the individual who has the least.______________________________
(order matters)
Question 2
2.

The chart shows the lowest elevations for three submarines.
Select all of the inequalities that are true based on the chart above.
-730 < -280
-450 > -280
-730 > -450
-280 > -450
-450 < -730
Colorado
Florida
Nevada
Oregon
Question 6
6.

Select all of the following statements that are true.

1.5
-38
Each of the following phrases describes a numerical value.
  • The absolute value of 5
  • The opposite of 5
Select all of the following statements that are TRUE about the relationship between the numerical values?
The opposite of 5 is equal to the absolute value of 5.
The absolute value of 5 is less than the opposite of 5.
The opposite of 5 is the same distance from 0 on a number line as the absolute value of 5.
The absolute value of 5 is farther from 0 on a number line than the opposite of 5.
The absolute value of 5 is greater than the opposite of 5.
The opposite of the opposite of 5 is equal to the absolute value of 5.
The state closest to 0 on a number line has the largest absolute value.
The absolute value of Florida is 3, which is the smallest distance from 0.
The state that has the smallest absolute value is closest to sea level since sea level is zero in this scenario.
Oregon is closest to sea level because its elevation is above sea level.