Properties of Multiplication

Any way you multiply the factors, the product stays the same.

Chad reads books at the library each week for 6 weeks. He reads 3 books each week. Mia reads books at the library for 3 weeks. She reads 6 books each week. Who reads more books at the library, Chad or Mia?

​Sometimes you need to multiply 3 numbers together. You can use parenthesis ( ) to show which two numbers you want to multiply first.

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​Jayden buys 4 boxes of hot dogs. Each box has 2 packs. Each pack has 5 hot dogs. How many hot dogs does she buy?
This can be written as (4x2)x5=40 or 4x(2x5)=40

Nykole decorates her pair of gloves with plastic jewels. SHe glues 3 jewels onto each finger and thumb. How many jewels does she use?

2 x 5 x 3 can be written as (2 x 5) x 3 or 2 x (5 x 3)