GROUP ACTIVITY Instruction: Encircle the correct answer. ERASURE MEANS WRONG. 1. Which number should replace the question mark? 7. Which of the figures can be used to continue the series given below? A. 4 C. 6 B. 5 D. 7 2. Which of the figures can be used to continue the series given below? 3. Which of the figures can be used to continue the series given below? 4. Which of the figures can be used to continue the series given below? 5. Find the missing number in the pattern below. A. 23 C. 48 B. 45 D. 35 6. Which of the figures can be used to continue the series given below? 8. Find the missing number in the pattern 2, 6, 12, 20,?, 42 A. 28 C. 32 B. 30 D. 48 9. Complete the pattern: 5, 10, 20, 40,?, 160 A. 70 C. 90 B. 80 D. 100 10. Which of the following is the next term in the sequence 1, 1, 2, 3, 5, 8,? A. 10 C. 13 B. 12 D. 15 11. What is the next shape in the sequence: triangle, square, pentagon, hexagon, ? A. Heptagon C. Nonagon B. Octagon D. Decagon 12. What is the 7th term in the Fibonacci sequence? A. 8 C. 21 B. 13 D. 34 13. What is the next term in the sequence 1, 3, 6, 10, 15, ? A. 18 C. 25 B. 21 D. 30 14. Identify the next number in the pattern 7, 14, 28, 56, ? A. 70 C. 84 B. 112 D. 100 15. What comes next in the sequence 5, 15, 25, 35, 45, ? A. 50 C. 60 B. 55 D. 65 16. Find the missing number in the pattern 1, 3, 7, 13, ?, 31 A. 18 C. 23 B. 21 D. 25 17. What is the next number in the sequence 2, 3, 5, 8, 12, 17, ? A. 22 C. 25 B. 24 D. 30 18. Which number completes the pattern 7, 14, 21, 28, 35, ? A. 40 C. 45 B. 42 D. 50 19. What is the 5th term of the geometric sequence 2, 6, 18, 54, …? A. 162 C. 81 B. 144 D. 108 20. Find the sum of the first 4 terms of the geometric sequence 5, 15, 45, 135, … A. 300 C. 195 B. 180 D. 200