3. What is the operation to be used? A. Addition C. Multiplication B. Division D. Subtraction 3 1 3 - 4. Which is the correct number sentence to solve the problem? 1 1 A. 2- + 3- + 1- = N B. 2- + 1- = N 4 2 2 1 1 C. 2- + 3- = N D. 3- + 1= = N 4 100 ml 00 8 1 = 4 2 9 5. What is the answer to the problem? 9 1 A. 7- 8 8 1 7 B.7 D. 66 C. 62 6- 8 8
