2.NBT.9
Write down 52+36.
Say to your child:
"I once saw someone add those two numbers by adding the 5 plus the 3 to get 8, the 2 plus the 6 to get 8 again. Then they added the 8 plus the 8 for an answer of 16."
Ask your child if this child led to a correct answer, and to explain to you why or why not.
Say to your child:
"I once saw someone add those two numbers by adding the 5 plus the 3 to get 8, the 2 plus the 6 to get 8 again. Then they added the 8 plus the 8 for an answer of 16."
Ask your child if this child led to a correct answer, and to explain to you why or why not.