Missing Pattern Terms - SSAT Middle Level Quantitative

1. What number completes the pattern $\frac{1}{2}, 1, 2, 4, \_$?

   $8$. The pattern is a geometric sequence where each term is multiplied by $2$.

2. What number completes the pattern $1, 8, 27, \_, 125$?

   $64$. The pattern consists of perfect cubes: $1^3, 2^3, 3^3, 4^3, 5^3$.

3. What number completes the pattern $3, 4, 6, 9, 13, \_$?

   $18$. The pattern adds consecutive integers starting from $1$: $+1, +2, +3, +4, +5$.

4. What number completes the arithmetic pattern $4, 7, 10, \_, 16$?

   $13$. The pattern is an arithmetic sequence where each term increases by $3$.

5. What number completes the pattern $100, 50, 25, \_, 6.25$?

   $12.5$. The pattern is a geometric sequence where each term is divided by $2$.

6. What number completes the geometric pattern $3, 6, 12, \_, 48$?

   $24$. The pattern is a geometric sequence where each term is multiplied by $2$.

7. What number completes the pattern $1, 2, 6, 24, \_, 720$?

   $120$. The pattern consists of factorials: $1!, 2!, 3!, 4!, 5!, 6!$.

8. What number completes the pattern $2, 4, 7, 11, 16, \_$?

   $22$. The pattern adds consecutive integers starting from $2$: $+2, +3, +4, +5, +6$.

9. What number completes the pattern $0, 1, 1, 2, 3, 5, \_$?

   $8$. The pattern follows the Fibonacci sequence starting from $0, 1$, where each term is the sum of the two preceding ones.

10. What number completes the pattern $2, 5, 10, 17, \_, 37$?

    $26$. The pattern adds consecutive odd numbers starting from $3$: $+3, +5, +7, +9, +11$.

11. What number completes the pattern $6, 11, 21, 41, \_$?

    $81$. The pattern follows the rule of doubling the previous term and subtracting $1$.

12. What number completes the geometric pattern $160, 80, 40, \_, 10$?

    $20$. The pattern is a geometric sequence where each term is divided by $2$.

13. What number completes the pattern $81, 27, 9, \_, 1$?

    $3$. The pattern is a geometric sequence where each term is divided by $3$.

14. What number completes the pattern $10, 9, 7, 4, \_, -5$?

    $0$. The pattern subtracts consecutive integers starting from $1$ and increasing by $1$ each time: $-1, -2, -3, -4, -5$.

15. What number completes the pattern $9, 6, 8, 5, 7, \_$?

    $4$. The pattern alternates between subtracting $3$ and adding $2$.

16. What number completes the pattern $2, 6, 18, 54, \_$?

    $162$. The pattern is a geometric sequence where each term is multiplied by $3$.

17. What number completes the pattern $1, 3, 7, 15, \_, 63$?

    $31$. The pattern follows $2^n - 1$ for $n=1$ to $6$.

18. What number completes the pattern $50, 45, 35, 20, \_, -25$?

    $0$. The pattern subtracts multiples of $5$ increasing by $5$ each time: $-5, -10, -15, -20, -25$.

19. What number completes the arithmetic pattern $25, 20, 15, \_, 5$?

    $10$. The pattern is an arithmetic sequence where each term decreases by $5$.

20. What number completes the pattern $1, 1, 2, 3, 5, \_, 13$?

    $8$. The pattern follows the Fibonacci sequence starting from $1, 1$, where each term is the sum of the two preceding ones.

21. What number completes the pattern $1, 4, 9, \_, 25$?

    $16$. The pattern consists of perfect squares: $1^2, 2^2, 3^2, 4^2, 5^2$.

22. What number completes the alternating pattern $12, 6, 18, 9, 27, \_$?

    $13.5$. The pattern alternates between multiplying by $0.5$ and multiplying by $3$.

23. What number completes the pattern $7, 14, 28, 56, \_, 224$?

    $112$. The pattern is a geometric sequence where each term is multiplied by $2$.

24. What number completes the Fibonacci-type pattern $2, 3, 5, 8, \_, 21$?

    $13$. The pattern follows the Fibonacci sequence where each term is the sum of the two preceding ones.

Study these flashcards