We have been using tens frames and bundles of sticks to make teen numbers. We learned that teens are ten and some more.
"I made 15 with 10 and 5 more." --Emma O.
"I made 19 with a 10 and 9 more." --Lucas
We have been so fortunate to be able to work with 2 experts in their fields this last fortnight. We met Bob Kerr, Writer and Artist. He ...