Solving Algebra

a. How many sticks were needed to build the 5 fish patterns?

b. How many sticks would you n  eed to build 20 fish patterns? (See if you can work out how many without making the pattern)

c. Explain how you worked this out.

d. In a spreadsheet create a table that shows how many sticks are needed for up to 20 fish.

e. From this table create a graph to show your findings.

f. How many sticks would there be in 42 fish?