Teacher Tools and Resources
This is the usual configuration for five. It is used to represent five on dominoes and in most of the pre-school and primary math books.
I counted the three dots on the vertical line and then added the remaining two on the horizontal line.
I couldn't help but count them, which took longer than it should have. Margaret and David had the right idea, I think. On pins and needles to know the secret. I'd like to be faster.
These are all excellent ways to look at this pattern! Keep the ideas coming!
Two intersecting rows of 3. The intersection has 2 of those overlapping. So 2x3 - 1 = 5
Very much like Katey, I noticed it was two sets of three, with one in both sets. So that's 3 + 3 - 1.
i know that a square has four corners, and there's also a dot in the middle, which gives an extra dot. 4+1=5.
This is the usual configuration for five. It is used to represent five on dominoes and in most of the pre-school and primary math books.
ReplyDeleteI counted the three dots on the vertical line and then added the remaining two on the horizontal line.
ReplyDeleteI couldn't help but count them, which took longer than it should have. Margaret and David had the right idea, I think. On pins and needles to know the secret. I'd like to be faster.
ReplyDeleteThese are all excellent ways to look at this pattern! Keep the ideas coming!
ReplyDeleteTwo intersecting rows of 3. The intersection has 2 of those overlapping. So 2x3 - 1 = 5
ReplyDeleteVery much like Katey, I noticed it was two sets of three, with one in both sets. So that's 3 + 3 - 1.
ReplyDeletei know that a square has four corners, and there's also a dot in the middle, which gives an extra dot. 4+1=5.
ReplyDelete