Addition and Subtraction Expressions

Front

Write an expression showing the sum of a number h and a number w minus 11.

Back

h + w - 11

Front

Write an expression to show the sum of x and y.

Back

x + y

Front

Write an expression to show h decreased by 13.

Back

h - 13

Front

Write an expression showing the sum of 8 and a number f.

Back

8 + f

Front

What is an expression in mathematics?

Back

A combination of numbers, variables, and operators (like + and -) that represents a value.

Front

What does it mean to decrease a number?

Back

To subtract a value from that number.

Front

What is the sum of two numbers?

Back

The result of adding those two numbers together.

Front

If h = 5 and w = 10, what is the value of h + w - 11?

Back

4

Front

How do you represent the sum of a number and a constant?

Back

By adding the number to the constant (e.g., x + 5).

Front

What is the difference between addition and subtraction?

Back

Addition combines values, while subtraction removes a value from another.