Exponent Practice Assessment 1 Name:
Multiple Choice Identify the choice that best completes the statement or answers the question. ____ 1. Write the number of unit squares in this large square as a power. a. b. 72 c. d. 77 ____ 2. Write the base of . a. -5 b. 5 c. d. 3 ____ 3. Write as repeated multiplication. a. c. b. d. ____ 4. Write as a power. a. b. c. d. ____ 5. Evaluate: a. 30 b. 7776 c. 15 625 d. 11 ____ 6. Evaluate: a. -256 b. -16 c. 16 d. 256 ____ 7. Which answers are negative? i) ii) iii) a. i and ii b. ii and iii c. i only d. i and iii Short Answer 8. Write the number of unit cubes in the large cube as a power. 9. Write 27 and 243 as a power with base 3.
, , , Problem 11. Evaluate: Show your steps. 12. Where possible, replace with a “+” or “-” sign to make each product positive. a) b) c) d) Can all products be made positive? Explain. Exponent Practice Assessment 1 Answer Section MULTIPLE CHOICE 1. ANS: B PTS: 1 DIF: Easy REF: 2.1 What Is a Power? LOC: 9.N1 TOP: Number KEY: Conceptual Understanding 2. ANS: A PTS: 1 DIF: Easy REF: 2.1 What Is a Power? LOC: 9.N1 TOP: Number KEY: Conceptual Understanding 3. ANS: C PTS: 1 DIF: Easy REF: 2.1 What Is a Power? LOC: 9.N1 TOP: Number KEY: Procedural Knowledge 4. ANS: A PTS: 1 DIF: Easy REF: 2.1 What Is a Power? LOC: 9.N1 TOP: Number KEY: Procedural Knowledge 5. ANS: B PTS: 1 DIF: Moderate REF: 2.1 What Is a Power? LOC: 9.N1 TOP: Number KEY: Procedural Knowledge 6. ANS: A PTS: 1 DIF: Moderate REF: 2.1 What Is a Power? LOC: 9.N1 TOP: Number KEY: Procedural Knowledge 7. ANS: B PTS: 1 DIF: Moderate REF: 2.1 What Is a Power? LOC: 9.N1 TOP: Number KEY: Conceptual Understanding SHORT ANSWER 8. ANS: As a power, the number of unit cubes is . PTS: 1 DIF: Easy REF: 2.1 What Is a Power? LOC: 9.N1 TOP: Number KEY: Conceptual Understanding 9. ANS: PTS: 1 DIF: Moderate REF: 2.1 What Is a Power? LOC: 9.N1 TOP: Number KEY: Procedural Knowledge 10. ANS: From least to greatest: , , , PTS: 1 DIF: Moderate REF: 2.1 What Is a Power? LOC: 9.N1 TOP: Number KEY: Procedural Knowledge PROBLEM 11. ANS: PTS: 1 DIF: Moderate REF: 2.1 What Is a Power? LOC: 9.N1 TOP: Number KEY: Procedural Knowledge 12. ANS: a) Replace with a “-” sign. b) Replace with a “+” sign. c) is always negative. d) Replace with a “-” sign. Not all products can be made positive. In part c, there is an even number of factors in the power . is always positive, which means is always negative. PTS: 1 DIF: Difficult REF: 2.1 What Is a Power? LOC: 9.N1 TOP: Number KEY: Problem-Solving Skills | Communication
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