Expressions and Basic Arithmetic Operations

The video tutorial explores different ways to express the multiplication of 9 by 8. It presents four answer choices, evaluates each one, and identifies the correct expression. The first choice is incorrect due to incorrect addition. The second choice correctly uses multiplication and addition to reach 72. The third and fourth choices are incorrect due to miscalculations. The video emphasizes understanding different mathematical expressions and verifying results.

What is the result of the expression 9 + 3 + 9 + 8?

• 29

• 72

• 45

• 33

Which expression correctly represents 9 * 8?

• 9 + 3 + 9 + 8

• 9 * 5 + 3 * 9

• 9 * 5 + 3

• 9 + 8 * 3

What is the sum of 9 * 5 and 3?

• 33

• 24

• 48

• 72

Calculate the result of 9 + 8 * 3.

• 33

• 48

• 24

• 72

Which of the following is not equal to 72?

• 9 + 3 + 9 + 8

• 9 * 5 + 3 * 9

• 9 * 8

• 45 + 27