“'In bridge to 10, students break one of the other numbers up to form a combination that makes 10. In 7+6, break up the 6 to make 3+3. Then, 7+3=10. 10+3=13.” This is supposed to be new? Isn’t this how addition with carrying is explained to kids?
“'In bridge to 10, students break one of the other numbers up to form a combination that makes 10. In 7+6, break up the 6 to make 3+3. Then, 7+3=10. 10+3=13.” This is supposed to be new? Isn’t this how addition with carrying is explained to kids?