Staircases
Build a staircase with unifix.- What patterns can you see? What is happening each time?
Do you notice one more one less?
Look at this image- How many more in staircase 6 to staircase 5- Turn and Talk how do you know?
What could be the easiest way to count?
Explore:
Build your own staircase-
1 step = 1 block
2 steps = 3 blocks
3 steps = 6 blocks
4 steps = ?
Could be a staircase of ten
Write the pattern-
Now how many are in your staircase?
If you went from staircase 10 to staircase 11 how many more counters do you need?
How do you know?