What number comes in between 27 and 29?
What is the most organized or efficient way to count objects?
How many tens do we have?
What number represents 2 tens and 8 ones?
How many ones are represented by 2 tens?
What is the value of 8 ones?
How many tens?
How many ones?
How many tens?
How many ones?
How many robot books does each boy have?
Who has the most books?
What do 2+3= and 3+2= have in common?
What is different about them?
What do 2+1= and 1+2= have in common?
What is different about them?
The order of the addends
Do you see a common pattern?
What is the most organized or efficient way to expand 37?
How many ones do we have?
How do you know?
How does 5 compare to 7?