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This pattern of hexagons is made with sticks. Each new diagram in the sequence adds more sticks.
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Part A: Complete the Table
Count the number of sticks in each diagram and write your answers in the table.
Diagram number
1
2
3
4
Number of sticks
7
8
9
4
5
6
1
2
3
C
0
.
7
8
9
4
5
6
1
2
3
C
0
.
7
8
9
4
5
6
1
2
3
C
0
.
7
8
9
4
5
6
1
2
3
C
0
.
Part B: Find the Rule
Use your table to find the pattern. Complete the sentence below to describe the rule.
The rule is: Start with
7
8
9
4
5
6
1
2
3
C
0
.
sticks and add
7
8
9
4
5
6
1
2
3
C
0
.
sticks to make the next diagram.
Exit