Lesson 07: Adding and Subtracting to Solve Problems | Unit 5: Rational Number Arithmetic

Multiple Choice

What is the transaction amount for transaction 3?

• 150.00
• 200.50
• 175.75
• 182.35

Multiple Choice

The _departure from the average_ amount of rain is the difference between the actual amount of rain and the average amount of rain for a given month. The historical average for rainfall in Albuquerque, NM, for June is 0.67 inches. Last June only 0.17 inches of rain fell all month. What is the difference between the average rainfall and the actual rainfall for last June?

• 0.50 inches
• 0.30 inches
• 0.75 inches
• 0.40 inches

Multiple Choice

The _departure from the average_ amount of rain is the difference between the actual amount of rain and the average amount of rain for a given month. The historical average for rainfall in Albuquerque, NM, for July is 1.5 inches. The departure from the average rainfall last July was -0.36 inches. How much rain fell last July?

• 1.14 inches
• 1.8 inches
• 1.2 inches
• 0.9 inches

Multiple Choice

The _departure from the average_ amount of rain is the difference between the actual amount of rain and the average amount of rain for a given month. The historical average for rainfall in Albuquerque, NM, for June, July, and August is 0.67, 1.5, and 1.57 inches respectively. How much rain would have to fall in August so that the total amount of rain equals the average rainfall for these three months? What would the departure from the average be in August in that situation?

• 1.2467 inches, Departure: -0.3233 inches
• 1.5 inches, Departure: -0.067 inches
• 0.5 inches, Departure: -0.7467 inches
• 2.0 inches, Departure: 0.4333 inches

Multiple Choice

Here are the vertices of rectangle $$FROG$$ : $$(-2,5), (-2,1), (6,5), (6,1)$$ . What is the perimeter of this rectangle?

• 20
• 30
• 24
• 18

Open Ended

Find the area of the rectangle $$FROG$$ .

Multiple Choice

Here are the coordinates of rectangle $$PLAY$$ : $$(-11, 20), (-11, -3), (-1, 20), (-1, -3)$$ . What is the perimeter of this rectangle?

• 50
• 60
• 72
• 66

Multiple Choice

What is the area of the rectangle $$PLAY$$ ?

• The area is 50 square units.
• Area cannot be determined without dimensions.
• The area is 20 square units.
• The area is 100 square units.

Draw

Plot these points on the coordinate plane: $$A= (3, 2), B= (7.5, 2), C= (7.5, -2.5), D= (3, -2)$$

Multiple Choice

What is the vertical difference between points D and A?

• |y1 - y2|
• |x1 - x2|
• y1 - y2
• y1 + y2