Question

1. a teacher had seven students in her class. if each student completed four problems, how many problems would she have to grade?

7×4
sides it has:

Explanation:

Step1: Identify the operation

We need to find the total number of problems, which is the number of students multiplied by the number of problems per student. So we use multiplication.
Expression: \(7\times4\)

Step2: Calculate the product

Multiply 7 and 4.
Expression: \(7\times4 = 28\)

Answer:

28