Observe the toothpick pattern given below
Imagine that this pattern continues. Complete the table to show the number of toothpicks in the first six terms. Pattern123456Toothpicks413
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Solution
The relationship between the pattern number and the number of matchsticks in it is as follows: Pattern1→4Pattern2→7=4+3=Pattern1+3Pattern3→10=7+3=Pattern2+3Pattern4→13=10+3=Pattern3+3
Using this relationship, we can find the number of matchsticks in pattern 5 and 6. Pattern5=Pattern4+3=13+3=16Pattern6=Pattern5+3=16+3=19