Input/Output Tables

Daniel Math Academy · Grade 4 Math

Input/Output Tables

Skill X.3 · Patterns · ★★☆ Medium · Quarter 1

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Find the rule and fill in the missing numbers.

1. 1
   $\begin{array}{cccccc}\text{In}& 14& 35& 56& 77& 98\\ \text{Out}& 2& 5& & 11& \end{array}$
2. 2
   $\begin{array}{cccccc}\text{In}& 50& 60& 70& 80& 90\\ \text{Out}& 10& & 14& & 18\end{array}$
3. 3
   $\begin{array}{cccccc}\text{In}& 8& 10& 12& 14& 16\\ \text{Out}& 15& 17& 19& & \end{array}$
4. 4
   $\begin{array}{cccccc}\text{In}& 17& 19& 21& 23& 25\\ \text{Out}& 9& 11& & & 17\end{array}$
5. 5
   $\begin{array}{cccccc}\text{In}& 10& 13& 16& 19& 22\\ \text{Out}& 2& & & 11& 14\end{array}$
6. 6
   $\begin{array}{cccccc}\text{In}& 6& 7& 8& 9& 10\\ \text{Out}& 12& & & 15& 16\end{array}$

Daniel Math Academy · Grade 4 Math

Answer Key

X.3 Input/Output Tables · ★★☆ Medium

1. 1$8,14$ (rule: divide by 7)
2. 2$12,16$ (rule: divide by 5)
3. 3$21,23$ (rule: add 7)
4. 4$13,15$ (rule: subtract 8)
5. 5$5,8$ (rule: subtract 8)
6. 6$13,14$ (rule: add 6)