Bernie is counting flowers which have grown in three window boxes. There are 10 in the first box, 9 in the second and 8 in the third. Bernie adds the three numbers together by counting on in units

This clip is from:
Numbertime, Adding Three Numbers
First broadcast:
24 September 2001

Children could be given piles of counters in numbers up to ten. Using three piles of counters, they could count each pile and record it as a written calculation. They could then add the three together as demonstrated in the clip.