do addition

Part of the problem is that her class is learning letters and numbers, and my daughter can already read, write, and do addition and subtraction.

For example, he can do addition with two- or three-digit numbers, simple multiplication, and understands negative numbers.

By age 4, he could do addition and tell time from a clock with hands.

Arnav Jain, in kindergarten, aspires “to do addition really fast.”

“Sometimes we joke that to evaluate faculty in China, all you need is a primary school kid who can do addition,” Professor Chen said.