Question

Look at the following matchstick pattern of squares. The squares are not separate. Two neighbouring squares have a common matchstick. Observe the pattern and find the rule that gives the number of matchsticks.

Answer 1

a) 4 sticks

b)7 sticks

c)10 sticks

d)13 sticks

Rule → Increasing one matchstick square will increase 3 matchstick because 1 is common.

Answer 2

a) 4 sticks

b)7 sticks

c)10 sticks

d)13 sticks

Rule → Increasing one matchstick square will increase 3 matchstick because 1 is common