Module 2 Individual Assessment

Consider the expression 4 + (-7 1/2). Part A: Which number line represents the expression?

• A

• B

• C

• D

Consider the expression 4 + (-7 1/2). Part B: Which of the following scenarios best represents this expression?

• A person has $4 and spends $7.50.

• A person gains 4 pounds and then loses 7.5 pounds.

• A person walks 4 miles north and then 7.5 miles south.

• A person has 4 apples and gives away 7.5 apples.

• Positive

• Zero

• Negative

Determine whether the value of the expression -18/13 (0 - 13/18) is positive, zero, or negative.

• Positive

• Zero

• Negative

Convert the fraction 3/16 to its equivalent decimal form. Use bar notation if necessary.

• 0.1875

• 0.175

• 0.2

• 0.18

Abdul earns and spends money during the week. On weekdays, he earns 8.00 per day for mowing lawns. On weekdays, he spends 2.25 per day for school lunch. After 4 weeks, he saves 1/3 of what is left for a new lacrosse stick. Part B: What is the value of the expression you wrote in part A?

• $25.00

• $38.33

• $30.00

• $40.83

Abdul earns and spends money during the week. On weekdays, he earns 8.00 per day for mowing lawns. On weekdays, he spends 2.25 per day for school lunch. After 4 weeks, he saves 1/3 of what is left for a new lacrosse stick. Part C: Round the value in part B to the nearest hundredth. What does the rounded value mean in the situation?

• The amount Abdul saves each week.

• The total amount Abdul earns in 4 weeks.

• The amount Abdul spends on school lunch in 4 weeks.

• The amount Abdul saves for the lacrosse stick.

Describe a real-world example in which a pair of opposite numbers combine to make 0. Be sure to identify the pair of opposite numbers.

• A person gains 5 dollars and then loses 5 dollars.

• A car travels 10 miles north and then 10 miles east.

• A temperature rises by 3 degrees and then rises by 3 more degrees.

• A person walks 2 miles forward and then 1 mile backward.

• -3 - 8 = -3 + (-8)

• -3 - 8 = 3 + 8

• -3 - 8 = -3 + 8

• -3 - 8 = 3 - 8

Which expressions are equivalent to 13 ÷ (-5)? Choose all that apply