1. Which of the following properties states that changing the grouping of numbers does not affect the sum/product a. Closure Property c. Associative Property b. Commutative Property d. Identity Property 2. If a number is added to its additive inverse, the sum is always equal to c. 1 b. -1 d. the number 3. What property is illustrated in the following, (-5) + 5 = 0? a. Associative c. Identity b. Commutative d. Inverse 4. Which of the following is an illustration of Identity Property? a.9x3=27 c. 3 x 1/3 = 1 b. 1x (-10) = -10 d. 5 + 2 = 2 + 5 5. Which of the following terms will complete this given statement, (9+5)*12 = 9+_? a. 17 b. (5 + 12) d. (5 + 9) 6. Add: 243. 20 + 45.58 a. 288.78 b. 268.88 c. 278.78 d. 2.51 7. Subtract: 49.5 -32.88 a. 15.52 b. 26.22 C. 16.62 d. 17.62 8. Multiply: 2.5 and 4.3 a. 15.75 b. 10.75 c. 10.25 d. 12.75 9. Divide: 2.75 by 5 a. 0.5 b. 0.75 c. 0.25 d. 0.55 10. Find the quotient of 1.44 and 1.2 a. 1.2 b.2.2 c.3.2 d.0.2 C. 14
