Page 191 - NUMINO_WB_6B
P. 191
095-P2-1

Use a Diagram to Find the Relationship

Thomas made triangles using matches as shown below.

Number of 3 5 7
Matches, m

Number of 1 2 3
Triangles, t

Find the number of matches needed to make seven triangles using the
relationship between the number of matches used and the number of triangles
made.

Step 1. Find the relationship between the number of matches used and the
number of triangles made.

Step 2. How many matches are needed to make seven triangles?
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