Harriet shaded part of a model to represent a fraction.
She drew X’s on some parts to represent the subtraction of a fraction.
Which expression does the model represent?
Mr. Webb pays his employees $30 an hour. Each employee works 40 hours a week. Which statement about each employee’s weekly income is true?
Which input-output table shows an additive pattern?
A student wrote the expression shown.
What do the parentheses in the expression indicate?