7th Grade Math Pre-Algebra Unit 1

7th Grade Math Pre-Algebra Unit 1 - Integers

The next term in this list is:
7, 9, 12, 16, 21,
Select the correct statements below:
1. 19.7(6.2) = 122.14
2. 84.9 - 16.9 = 6.8
3. 3,927 ÷ 82 = 74.89
4. 74.6 - 67.89 = 6.71
5. 10.1 / 2.3 = 4.39...
Which of the following represents the quotient of 12 and 4?
1. 4 ÷ 12
2. 12 x 4
3. 12 ÷ 4
4. 4 x 12
What is 1,999.8 rounded to the nearest whole number?
Select the answers below that are correct.
1. 3[(17 - 8) + 9(3)] =
2. (65 + 16) / (15 - 7) =
3. 21 ÷ 7 x 4 =
4. 6 + 5 x 5 = 55
5. 5(4 + 3) - 2 ∙ 8 = 44
What is the value of the follwoing expression if a = 3, b = 7, and c = 4:

c - (2b + 5a)
Which of the following is the algebraic expression for:

nine decreased by the quotient of a number and four
1. n/4 - 9
2. (9 - n) ÷ 4
3. 9 - n ÷ 4
4. 9 - 4/n
3m - 6 is an expression that represents:
1. six more that three times a number
2. three times a number that has been reduced by six
3. six less than three times a number
A set of whole numbers is 'closed' under:

(Select all the correct answers.)
1. addition
2. multiplication
3. division
4. subtraction
Check the correct answers below:
1. If f + 11 = 23, then f = 34
2. If 72/m = 12, then m = 6
3. If 15 = x - 7, then x = 22
4. If 25b = 125, then b = 6
5. If the difference of a number and 14 is 68, then the number is 82
How many whole number solutions are there for the following equation:

a - b = 2
1. none
2. two
3. one
4. an infinite number.
Which property is represented by the following equation:

7 ∙ ( 6 ∙ 4 ) = ( 7 ∙ 6 ) ∙ 4
1. Cummulative cproperty of multiplication
2. Associative property of multiplication
3. Associative property of addition
4. Identity property of multiplication
In the following ordered pair, what is the y value?

(5, 7)
1. 5
2. 7
3. neither
Which set of ordered pairs represents the points graphed on the grid below?
1. (3,1), (4,5), (1,6)
2. (1,3), (5,4), (6,1)
3. ((1,2), (4,5), ( 6,1)
4. (3,1), (5,4), (1,6)
The scatter plot below shows what kind of relationship?
1. positve
2. negative
3. none
The following graph shows the average scores for the boys basketball team over the past several years. How many more points did the 2003 team score than the 1998 team scored?

__________ points
Brian purchase 8 DVD's, and then paid $4.08 sales tax. His total bill was 60.48. Which equation can be used to find what was the average price for the DVD's before sales tax?
1. 60.48 + 4.08 = 8x
2. x = 60.48 / 8
3. 8x +4.08 = 60.48
4. x + 8 = 60.48 + 4.08
Check the statements below that are true:
1. The absolute value of -5 is -5.
2. - 4 > - 7
3. The absolute value of -12 is 12.
4. The absolute value of a number is the distance the number is from zero on the number line.
5. The abosulte value of -7 is less than the abosulte value of -4 .
Evaluate the following:

-7 ( 12 - 7) + [ (-9 - 3) ÷ ( 6 - 8)] = x

x = __________
Check the true statements below:
1. The product of two integers with the same sign is always negative.
2. To add two integers with different signs, subtract their absolute values and give the result the sign of the interger with the greater absolute value.
3. The quotient of two intergers with different signs is negative
4. To subtract an integer, subtract its additive inverse.
The four regions separated by the axes on a coordinate plane are called:
Point D(6, - 8) is located in which quadrant?
1. I
2. II
3. III
4. IV
The correct label for point P on the grid below is:
1. P(-4, 3)
2. P(4, -3)
3. P(4, 3)
4. P(-4, -3)
At the ski hill, the temperature in the morning was 0 degrees. During the day, the temperature rose 13 degrees. By 9:00 P.M. that evening, the temperature had fallen 23 degrees from the daytime temperature. What is the temperature at 9:00 P.M.?

_______ degrees
You graph 3 points on a grid. All three points are in Quadrant I. You connect the three points to form a triangle. If you multiply the x-coordinates and the y-coordinates of each of the three original ordered pairs by - 2, then plot them and connect them, in which quadrant is the new triangle?
1. I
2. II
3. III
4. IV
Check the correct statements below:
1. -5(8) = 40
2. 72 ÷ (- 8) = - 9
3. - 81 ÷ ( - 9 ) = 9
4. 3 ( - 7) ÷ ( - 3) = - 7
5. 17 + ( - 8) - ( - 4) = 13
Check the correct formula statements below:
1. The perimeter of a rectangle is:
  l • w
2. The perimeter of a rectangle is:
  2( l + w )
3. The area of a rectangle is:
  l • w
4. The area of a rectangle is:
  2( l • w )
5. If the side of a square is x, then the area of a square is:
  
  x²
Solve for f:

-8 = f/-3 + 6

f = ____
Britney has $5.15 in her wallet. She and Ellen have $14.75 together. How much does Ellen have in her wallet?

Ellen has $ __________
Check the correct statements below:
1. 8b + 7 - 6b = 2b + 7
2. 5y + 4( 7 + 3y ) = 15y + 4
3. m + 15 - 5m = 6 m + 15
4. 4( k - 7 ) - 3 k = k - 28
5. 4x - 3( 2x - 8 ) = -2x + 24