A hundred square has been printed on both sides of a piece of paper.
One square is directly behind the other.
What is on the back of 100? 58? 23? 19?
Can you see a pattern?
Click here for the HUNDRED SQUARE Notes for Teachers.
Click here for the HUNDRED SQUARE worksheet
Click here for an NRICH poster for your classroom wall.
Click here for a 1-400 square
This problem is also available in French.
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