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Multiplication by 3, 4, 0, and 1

This topic covers the concept of multiplying expressions that contain 3, 4, 0, or 1, as well as understanding the Identity and Zero Property.

Topic: Multiply by 3 and 4

  • Find the product of two numbers using the method of skip-counting

  • Skip-counting is where you count forwards and backwards by a number other than 1

  • You can make arrays to find the product of two numbers

  • An array is a group of objects arranged in rows and columns

  • The Commutative Property of Multiplication states that when the order of factors is changed, the product is still the same. For example, 7 x 5 = 5 x 7 = 35

Topic: Multiply by 0 and 1

  • The Identity Property of Multiplication states that when you multiply 1 by a number, the product is that number. For example, 1 x 7 = 7

  • The Zero Property of Multiplication states that when you multiply 0 by a number, the product is 0. For example, 0 x 7 = 0
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