Expressions Involving Addition and Subtraction

The video tutorial covers writing mathematical expressions for various operations, including addition, subtraction, and using the commutative property. It explains how to express a number increased by another, the sum of two variables, and how to represent decreased values. The tutorial also delves into more complex expressions involving multiple operations, such as combining sums and differences.

What is an expression for a number n increased by 11?

• n - 11

• n + 11

• 11 * n

• 11 - n

Using the commutative property, which expression is equivalent to n + 11?

• 11 + n

• n - 11

• 11 * n

• n / 11

How can you express the sum of x and y?

• x * y

• x - y

• x / y

• x + y

What is the expression for h decreased by 13?

• h + 13

• h * 13

• 13 - h

• h - 13

How would you express k less than 3.5?

• 3.5 - k

• k - 3.5

• k + 3.5

• 3.5 * k

What is the expression for the sum of g and h reduced by 11?

• g + h + 11

• g + h - 11

• g - h + 11

• g * h - 11

How do you express 5 less than y plus g?

• y + g - 5

• y - g + 5

• y + g + 5

• 5 - y + g

Which expression represents 5 less than the sum of y and g?

• 5 + y + g

• y + g - 5

• 5 - y - g

• y - g - 5

If you want to express 5 less than y, what would it be?

• 5 + y

• y + 5

• 5 - y

• y - 5

What is the expression for g plus y minus 5?

• 5 - g - y

• g + y - 5

• g - y + 5

• g + y + 5