Problem Solving

Emma is measuring different lengths of classrooms. Classroom A is 156 inches long. Classroom B is 178 inches long and Classroom C is 245 inches long. What is the total length of the three classrooms?

*What operation would you use to solve this problem?

• subtraction

• addition

• multiplication

• division

Terry does 105 sit-ups each day. How many sit-ups does he do in 7 days?

*What operation would you use to solve this problem?

• addition

• subtraction

• multiplication

• division

One squirrel weighed 0.217 pounds, while another squirrel weighed 0.306 pounds. How much greater was the second squirrel’s weight than the first’s weight?

What operation would you use to solve this problem?

• addition

• subtraction

• multiplication

• division

A total of 4,000 people attended a convention where they were split into 5 equal sections. How many people were in each section?

What operation would you use to solve this problem?

• addition

• subtraction

• multiplication

• division