Description: Look at the number rectangle, which number is one more than another number? Numbers on the same row have a difference of one. Can you find a number that is ten more than another number? When a number is directly underneath another number then it is ten more. What is the easy way to find a number 11 more than another number? If you move down a row then go one place to the right it is 11 more. What is the easy way to add 22?
Look at the number rectangle, which number is one more than another number? Numbers on the same row have a difference of one. Can you find a number that is ten more than another number? When a number is directly underneath another number then it is ten more. What is the easy way to find a number 11 more than another number? If you move down a row then go one place to the right it is 11 more. What is the easy way to add 22?
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