Algebra

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

32

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

122

c. Explain how you worked this out.

6 x 20 = 120 plus the 2 sticks from the fish tail.

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

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

254