Mastering Mental Math Properties

What are the two things that get the teacher's dog excited?

• Mental math properties and playing fetch

• Playing fetch and mental math

• Mental math properties and treats

• Going for a walk and treats

What does the commutative property state?

• You can subtract numbers in any order

• You can add or multiply numbers in any order

• You can add and subtract numbers in any order

• You can divide numbers in any order

Which of the following is an example of the commutative property?

• 4 * 6 = 6 * 4

• 5 * (2 + 3) = (5 * 2) + (5 * 3)

• 7 + (3 + 5) = (7 + 3) + 5

• 8 - 2 = 2 - 8

What does the associative property allow you to do?

• Subtract numbers in any order

• Add or multiply numbers in any order

• Divide numbers in any order

• Group numbers in any way when adding or multiplying

Which of the following is an example of the associative property?

• 2 * 3 = 3 * 2

• 5 - (2 - 1) = (5 - 2) - 1

• 6 / 2 = 2 / 6

• 3 + (4 + 5) = (3 + 4) + 5

What does the distributive property help you do?

• Multiply a number by a sum by multiplying each addend separately and then adding the products

• Add numbers in any order

• Divide numbers in any order

• Subtract numbers in any order

Which of the following is an example of the distributive property?

• 4 * (5 + 3) = (4 * 5) + (4 * 3)

• 2 * 3 = 3 * 2

• 6 / 2 = 2 / 6

• 3 + (4 + 5) = (3 + 4) + 5

How can you simplify the problem 4 * 23 using the distributive property?

• 4 * (10 + 13)

• 4 * (20 + 3)

• 4 * (12 + 11)

• 4 * (15 + 8)

What is the result of 8 * 74 using the distributive property?

• 580

• 560

• 592

• 600

What should students bring to the next class?

• Examples of mental math from the internet

• Examples of mental math from real-life scenarios

• Examples of mental math from their homework

• Examples of mental math from the textbook