- Here are 10 straight lines and 17 squares. What are the dimensions of the biggest square?
2. Can you draw another shape that makes 17 squares?
3. Here are 9 straight lines and 20 squares. Can you find all of the squares?
For the following questions only use rectanglular shapes (including square shapes):
4. Can you draw another shape that makes 20 squares?
5. How many different ways can you make 5 squares?
6; How many different ways can you make 14 squares?
7. How many different ways can you make 15 squares?
By thinking about what happens when you add a row and what happens when you add a column can you …
8. Find the smallest number of straight lines needed to make 30 squares.
9. Find the smallest number of straight lines needed to make exactly 100 squares.