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Practice solving equations and evaluating expressions with this pre-test, including multiple-choice questions and answer key. Improve your math skills now!
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UNIT 4 PRE-TEST Variables & Expressions
1. Solve the equation. a + 7 = 25 a = ___ iRespond Question Multiple Choice F A.) 18 B.) 22 C.) 29 D.) 32 E.)
2. Solve the equation. 121 = 11d d = ___ iRespond Question Multiple Choice F A.) 10 B.) 11 C.) 20 D.) 21 E.)
3. Solve the equation. 6 = t - 8 t = ___ iRespond Question Multiple Choice F A.) 2 B.) 10 C.) 14 D.) 48 E.)
4. Air typically has about 4,000 bacteria per cubic meters. If our room is 30 cubic meters,about how many bacteria would there bein the air in your room? iRespond Question Multiple Choice F A.) 4,030 bacteria B.) 34,000 bacteria C.) 70,000 bacteria D.) 120,000 bacteria E.)
5. Evaluate each expression to findthe missing values in the table. iRespond Question Multiple Response F A.) 11 B.) 12 C.) 13 D.) 14 E.)
iRespond Question Multiple Choice F 6. Write an expression for the sequence in the table. A.) n + 1 B.) n - 3 C.) n x 1 E.) D.) n + 3
Unit 4 Pre-Test Answer Key: • A. 18 • B. 11 • C. 14 • D. 120,000 bacteria • A. 11 & C. 13 • N + 3
