Real Numbers

Question 1 of 10

1

1. What is 15 - - 8?

Select one of the following:

7
-23
23
-7

Explanation

Question 2 of 10

1

Traci says that 2 - 5 is the same as 2 + -5. Is her statement True or False?

Select one of the following:

True
False

Explanation

Question 3 of 10

1

In the expression \[x^2 -3y + 4\] the only coefficient is -3. True or False?

Select one of the following:

True
False

Explanation

Question 4 of 10

3

Drag the following terms to match them with their definition.

Drag an answer into the correct orange point.

rational

irrational

opposites

absolute value

Integers

additive inverses

whole numbers

Explanation

Question 5 of 10

1

To simplify the expression 2y – 4x – x + 8, you should do which of the following?

Select one of the following:

add 2y and -4x
add 2y , -4x, and 8
add 2y, -4x - x
add -4x and -x

Explanation

Question 6 of 10

1

Bria had $120 in the bank. On Monday she deposited $25.00, and then withdrew $75 on Wednesday. Which equation represents the transaction and current balance in Bria’s account?

Select one of the following:

120 + 25 – 75 = 70
120 – 25 + 75 = 170
-120 – 25 + 75 = -70
-120 + 25 -75 = -170

Explanation

Question 7 of 10

1

Anthony says that | 4 + - 5| is the same as | 4| +|-5|. Given what you know about absolute value, determine which statement below is true.

Select one of the following:

Anthony is correct and both values are 9.
Anthony is correct, and both values are 1.
Anthony is incorrect; the first value is 1, and the second value is 9.
Anthony is incorrect; the first value is 9 and the second value is 1.

Explanation

Question 8 of 10

4

Fill the blank spaces to complete the text.

State what type of number is given by placing an R for rational or an I for irrational on the blank next to each number.

a) - ⅔
b) π
c) √6
d) 5
e) 7.12112…
f) 4.777…
g) 9.549
h) √81

Explanation

Question 9 of 10

2

Select all real-world scenarios below that could be a representation of the following equation
24 + -33 = -9

Select one or more of the following:

Drew borrowed $33 from a friend, He later made $24 baby-sitting and paid it to his friend. Where does this leave Drew financially?
Chance withdrew $24 from his account, and then later deposited $33. What is the overall change in his account?
Cashmere was in a hot air balloon and descended 24 feet. She then ascended 33 feet. What is her overall change in elevation?
During the last two plays of a football game the Knights gained 24 yards, and then the center hiked the ball over the quarterback’s head, and they lost 33 yards. What is their overall change in yardage?

Explanation

Question 10 of 10

1

Fill the blank spaces to complete the text.

Write an addition problem for the scenario given below by filling in the blanks. Then give the solution.

On a cold winter day the temperature started out at -3° F. By 10:00 am the temperature decreased by 4°. What was the temperature at 10:00 am? (Be sure to enter the numbers in the order that they occur in the problem)
Equation: + = x
Solution:

	Created by Marsha Booker almost 5 years ago

Assessing knowledge of Real Numbers and Computing with Real Numbers

Real Numbers

Question 1 of 10

1. What is 15 - - 8?

Select one of the following:

Explanation

Question 2 of 10

Traci says that 2 - 5 is the same as 2 + -5. Is her statement True or False?

Select one of the following:

Explanation

Question 3 of 10

In the expression \[x^2 -3y + 4\] the only coefficient is -3. True or False?

Select one of the following:

Explanation

Question 4 of 10

Drag the following terms to match them with their definition.

Drag an answer into the correct orange point.

Explanation

Question 5 of 10

To simplify the expression 2y – 4x – x + 8, you should do which of the following?

Select one of the following:

Explanation

Question 6 of 10

Bria had $120 in the bank. On Monday she deposited $25.00, and then withdrew $75 on Wednesday. Which equation represents the transaction and current balance in Bria’s account?

Select one of the following:

Explanation

Question 7 of 10

Anthony says that | 4 + - 5| is the same as | 4| +|-5|. Given what you know about absolute value, determine which statement below is true.

Select one of the following:

Explanation

Question 8 of 10

Fill the blank spaces to complete the text.

State what type of number is given by placing an R for rational or an I for irrational on the blank next to each number. a) - ⅔ b) π c) √6 d) 5 e) 7.12112… f) 4.777… g) 9.549 h) √81

Explanation

Question 9 of 10

Select all real-world scenarios below that could be a representation of the following equation 24 + -33 = -9

Select one or more of the following:

Explanation

Question 10 of 10

Fill the blank spaces to complete the text.

Explanation

State what type of number is given by placing an R for rational or an I for irrational on the blank next to each number.

a) - ⅔
b) π
c) √6
d) 5
e) 7.12112…
f) 4.777…
g) 9.549
h) √81

Select all real-world scenarios below that could be a representation of the following equation
24 + -33 = -9