Unit One Progression One Assessment

Which of the following expressions is equal to 25?

• –15 + 10

• –15 – 10

• –15 + (–40)

• –15 – (–40)

Bill's bank account is overdrawn. He owes the bank $35.25. When he gets his paycheck, he deposits it into his account. He now has $256.50 in his account. How much money did Bill deposit into his account?

• $301.75

• $291.75

• $221.25

• −$221.25

The temperature on a cold winter day in Minnesota was –6°F. Which of the following situations could explain how the temperature became –6°F? Select two that apply.

• In the morning, the temperature was –2°. Then, the temperature fell 4°.

• The temperature decreased by 4° from a high of 2° earlier in the day.

• The temperature was 12°. This temperature fell by 6° as it got dark out.

• At 9 a.m., the temperature was –11°. By noon, the temperature had dropped 5°.

• At night, the temperature was –1°. Then, the temperature fell by 5° during the next day.

Which of the following expressions is equal to –17?

• 5 + 12

• –12 + 5

• –12 – 5

• –12 – (–5)

Simplify:

-4 - (9)

• -13

• 5

• 13

• 36

Melanie currently has a balance of -$10 in her bank account. She then deposits $18 into

her account. Which numeric expression below could be used to represent this situation?

• $10 – $18 = −$8

• −$10 − $18 = −$28

• −$10 + $18 = −$8

• −$10 + $18 = $8

Which algebraic expression below is equivalent to the expression: -a – (-b) = c

• b – a = c

• a – b = c

• –b – a = c

• –a + (-b) = c

Mt. McKinley in Alaska has the highest elevation in the United States at 20,320 feet above

sea-level. Death Valley in California has the lowest elevation in the United States at 282 feet

below sea-level.

Which statement below describes the difference between the elevation of Mt. McKinley (+20,320 feet) and the elevation of Death Valley (-282 feet)?

• The difference between the two elevations is 20,038 feet

• The difference between the two elevations is 20,602 feet

• The difference between the two elevations is 17,500 feet

• The difference between the two elevations is 23,140 feet

The temperature in Chicago is -16.4°F and then drops 4.24 degrees. What is the new temperature in Chicago?

• 12.16 °F

• -12.16°F

• -20.64 °F

• 20.64 °F

Write a numeric expression to represent the number-line above. Include the solution to the expression.

• -8 + 16 = 8

• -8 + 24 = 16

• -8 + 6 = 16

• -8 - 24 = -32