Or search by topic
Ben's class were making number tracks and cutting them up.
... ... ...
First they cut them into twos. Ben started with zero
... ... ...
but Miles started with one:
... ... ...
Then they both added up the numbers on each piece.
Ben wrote: $0 + 1 = 1$, $2 + 3 = 5$, $4 + 5 = $... ... ...
Miles wrote: $1 + 2 = 3$, $3 + 4 = 7$, $5 + 6 =$ ... ... ...
What patterns could they see?
Alice cut her number track into $3$s and added up the numbers on each one.
... ... ...
Winston made a longer number track which he cut into $5$s and he added up the numbers on each one.
... ... ...
What could they discover about the sum of the numbers on their strips of number track?
What other patterns can you find?