1. Complete the number sentence.3 + 3 + 3 + ∅ + 3 = 15 A. 15 B. 12 C. 3 D. 5 Hint 2. Complete the number sentence.8 + 8 + 8 + 8 = 4 × ∅ A. 5 B. 32 C. 4 D. 8 Hint 3. Complete the number sentence.7 + 7 + 7 + 7 + 7 + 7 = ∅ × 7 A. 7 B. 1 C. 42 D. 6 Hint 4. Complete the number sentence.9 + 9 + ∅ + 9 = 9 × 4 A. 4 B. 0 C. 9 D. 36 Hint 5. Which array shows equal groups of 2? A. B. C. D. Hint 6. Su has 18 finger puppets. If Su places the puppets in 6 equal rows, how many puppets will be in each row? A. 2 B. 3 C. 9 D. 6 Hint 7. The number pattern below is formed by skip counting. Find the missing numbers in the pattern. 3, 6, 9, ∅, 15, ∅, 21 A. 12, 16 B. 12, 18 C. 12, 24 D. 10, 17 Hint 8. The number pattern below is formed by skip counting. Find the missing numbers in the pattern. 20, 25, ∅, 35, 40, ∅, 50 A. 30, 45 B. 28, 42 C. 20, 35 D. 30, 60 Hint 9. The number pattern below is formed by skip counting. Find the missing numbers in the pattern. 12, ∅, 24, 30, 36, ∅, 48 A. 20, 40 B. 18, 40 C. 18, 42 D. 15, 40 Hint 10. The number pattern below is formed by skip counting. Find the missing numbers in the pattern. ∅, 15, 17, 19, ∅, 23, 25 A. 13, 21 B. 12, 22 C. 10, 20 D. 9, 21 Hint