Chapter 3 Vocabulary

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Across
  1. 1. rectangle used to model multiplication of whole numbers.
  2. 4. when you multiply numbers in any order and the answer will always be the same is called __________ property of multiplication.
  3. 5. a product of two numbers obtained when we break the numbers into parts, multiply the parts separately and then add them together is called _________ products
  4. 6. when you display objects in rows and columns.
  5. 7. is a way of adding or taking away numbers that you find easier.
Down
  1. 1. if we change the groupings of the numbers we're multiplying, the total will always be the same is called __________ property of multiplication.
  2. 2. __________ property is when the numbers in parentheses are added before or after multiplication, the results are the same.
  3. 3. contains numbers and at least operation is known as __________ expression