Area of Parallelograms & Trapezoids
The area formula for a parallelogram
What is Area = base x height?
the area formula for a triangle
What is Area = (1/2)(base x height) ?
the sum of all three angles of a triangle
What is 180 degrees?
A local floral shop will deliver if the order is at least $40. Linda’s order is $20 so far. Which inequality could be used to determine x, the amount of money Linda still needs to spend for the floral shop to deliver her order?
A x+20 </= 40
B x+20 >/= 40
C x+20=40
D x+20>40
What is: B. x+20 >/= 40
What is 1/2 divided by 4/10?
What is 5/4?
The area formula for a trapezoid
What is Area = (1/2)(base 1 + base 2) x height ?
What is the area of a triangle with a base of 7 and a height of 9?
What is 31.5 units2?
If I have triangle side lengths of 3, 5, and 10, will a triangle form? Explain.
No, the sum of the two smallest sides (3+5) is not greater than the third side (10).
Quentin bought 6 new tennis balls. If he now has a total of 18 tennis balls, which equation could be used to find b, the number of tennis balls he started with?
A b/6=18
B 3b=18
C b-6=18
D 6+b=18
What is: D. 6+b=18 ?
Which of these can NOT be written as an expression?
A Two times 0.75 plus m
B Three less than twice a
C Half the product of five and j
D Four times n is 24
What is: D. Four times n is 24.
The area of a parallelogram with a base of 12 inches and a height of 27 inches
What is 324 inches2 ?
What is the area of a triangle with a base of 22.4 meters and a height of 5.2 meters?
What is 58.24 meters2 ?
If an isosceles triangle has side lengths 7 and 7, what could be length of the unknown side of the triangle?
A. 7 inches
B. 10 inches
C. 14 inches
D. 17 inches
What is B. 10 inches ?
Graph the solution to the inequality x + 7 > 10.
Ms. Majewski will show you on the board. Open circle at 3, arrow pointing right (in the greater than direction).
Write the following integers in order from least to greatest: 0, -200, -180, 140, 160.
What is: -200, -180, 0, 140, 160.
What is the area of a trapezoid with bases of 3 cm and 6 cm, and a height of 10 cm?
What is 90 cm2?
A. A = (6)(5)
B. A = (6)(4)
C. A = 1/2(6)(4)
D. A = 1/2(6)(5)
What is: C. A = 1/2(6)(4) ?
The angle measures of a triangle are 30, 60, and 90 degrees. Which statement is true?
A. This triangle is a right scalene.
B. This triangle is an obtuse scalene.
C. This triangle is a right isosceles.
D. This triangle is an acute scalene.
What is: A. This triangle is a right scalene.
When do I flip flop the direction of my inequality sign?
When I multiply or divide by a negative number OR when I rewrite the order of an inequality to be variable, inequality sign, constant.
Which expression has a positive value?
A (-5)(-9)
B 2 - 4
C 12 divided by (-4)
D -3 + (-7)
What is: A. (-5)(-9)
What is the area of a trapezoid with a height of 5.5 inches, and bases of 4.2 inches and 3 inches?
What is 19.8 inches2?
The side view of a sail on a boat has a base of 22 ft and a height of 7.5 ft. How much fabric, in square feet, was used to create this sail?
What is 82.5 ft2 ?
Triangle XYZ has the following side lengths: XY = 7.8, YZ = 8, and XZ = 7.75. Which statement is true about the angles? *Hint: draw a triangle!!!
A. Angle Z is the smallest angle measure.
B. Angle Y is the smallest angle measure.
C. Angle Z is the largest angle measure.
D. Angle X is the smallest angle measure.
What is: B. Angle Y is the smallest angle measure ?
Which of the following is equivalent to 3(5+n)?
A 3x5+3xn
B 3x5+n
C 3+5n
D 3x5+5n
What is: A. 3x5+3xn ?
A football team had the following number of rushing yards for each quarter of their game: 77, -50, 134, -9. What is the total rushing yards?
What is 152 yards?