Unit Review: Patterns

X.1X.2X.3X.4Find the rule and fill in the missing numbers.

1. 1
   $16,24,32,40,\boxed{},\boxed{}$
2. 2
   $66,61,\boxed{},51,46,\boxed{}$
3. 3
   $58,52,\boxed{},40,\boxed{},28$
4. 4
   $25,33,\boxed{},49,\boxed{},65$
5. 5
   $1,2,4,\boxed{},16,\boxed{}$
6. 6
   $2,6,\boxed{},54,162,\boxed{}$
7. 7
   $1,2,4,8,\boxed{},\boxed{}$
8. 8
   $6,12,24,\boxed{},96,\boxed{}$
9. 9
   $\begin{array}{cccccc}\text{In}& 9& 12& 15& 18& 21\\ \text{Out}& 16& 19& 22& & \end{array}$
10. 10
    $\begin{array}{cccccc}\text{In}& 9& 18& 27& 36& 45\\ \text{Out}& 1& 2& & 4& \end{array}$
11. 11
    $\begin{array}{cccccc}\text{In}& 27& 45& 63& 81& 99\\ \text{Out}& 3& & 7& 9& \end{array}$
12. 12
    $\begin{array}{cccccc}\text{In}& 6& 8& 10& 12& 14\\ \text{Out}& 4& 6& & 10& \end{array}$
13. 13
    $3,6,12,\boxed{},\boxed{},96$
14. 14
    $1,3,9,27,\boxed{},\boxed{}$
15. 15
    $44,37,30,\boxed{},16,\boxed{}$
16. 16
    $2,6,18,\boxed{},162,\boxed{}$

X.1X.2X.3X.4Find the rule and fill in the missing numbers.

1. 1$48,56$ (add 8)
2. 2$56,41$ (subtract 5)
3. 3$46,34$ (subtract 6)
4. 4$41,57$ (add 8)
5. 5$8,32$ (multiply by 2)
6. 6$18,486$ (multiply by 3)
7. 7$16,32$ (multiply by 2)
8. 8$48,192$ (multiply by 2)
9. 9$25,28$ (rule: add 7)
10. 10$3,5$ (rule: divide by 9)
11. 11$5,11$ (rule: divide by 9)
12. 12$8,12$ (rule: subtract 2)
13. 13$24,48$ (multiply by 2)
14. 14$81,243$ (multiply by 3)
15. 15$23,9$ (subtract 7)
16. 16$54,486$ (multiply by 3)