뛰어 세기와 규칙 단원 종합

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

1. 1
   $25,50,75,100,\boxed{},\boxed{}$
2. 2
   $450,500,\boxed{},600,\boxed{},700$
3. 3
   $200,210,\boxed{},230,240,\boxed{}$
4. 4
   $60,63,\boxed{},\boxed{},72,75$
5. 5
   $35,45,55,\boxed{},\boxed{},85$
6. 6
   $84,78,\boxed{},66,\boxed{},54$
7. 7
   $17,24,\boxed{},38,45,\boxed{}$
8. 8
   $12,10,8,\boxed{},\boxed{},2$
9. 9
   $\begin{array}{cccccc}\text{In}& 7& 8& 9& 10& 11\\ \text{Out}& 42& 48& & 60& \end{array}$
10. 10
    $\begin{array}{cccccc}\text{In}& 8& 9& 10& 11& 12\\ \text{Out}& 16& 17& & & 20\end{array}$
11. 11
    $\begin{array}{cccccc}\text{In}& 7& 8& 9& 10& 11\\ \text{Out}& 10& 11& & & 14\end{array}$
12. 12
    $\begin{array}{cccccc}\text{In}& 5& 8& 11& 14& 17\\ \text{Out}& 9& & 15& & 21\end{array}$

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

1. 1$125,150$ (add 25)
2. 2$550,650$ (add 50)
3. 3$220,250$ (add 10)
4. 4$66,69$ (add 3)
5. 5$65,75$ (add 10)
6. 6$72,60$ (subtract 6)
7. 7$31,52$ (add 7)
8. 8$6,4$ (subtract 2)
9. 9$54,66$ (rule: multiply by 6)
10. 10$18,19$ (rule: add 8)
11. 11$12,13$ (rule: add 3)
12. 12$12,18$ (rule: add 4)