Identifying operations in word problems

Front

What is the operation to find the change in temperature?

Back

Subtraction: To find the change in temperature, subtract the morning temperature from the afternoon temperature.

Front

If the temperature was 37 degrees in the morning and 66 degrees in the afternoon, how do you calculate the temperature change?

Back

66 - 37 = 29 degrees.

Front

What operation do you use to find the total distance run over several days?

Back

Multiplication: To find the total distance, multiply the distance run each day by the number of days.

Front

If Sveidy runs 5 miles each day for 11 days, how do you calculate the total miles?

Back

5 miles/day × 11 days = 55 miles.

Front

What operation is used to determine how many weeks it takes to save a certain amount of money?

Back

Division: To find the number of weeks, divide the total cost by the amount saved each week.

Front

If a jersey costs $72 and Eric saves $9 each week, how do you find the number of weeks needed to save enough?

Back

72 ÷ 9 = 8 weeks.

Front

What operation do you use to find out how much money was earned?

Back

Subtraction: To find the amount earned, subtract the initial amount from the total amount.

Front

If Jimena had $139 and now has $302, how do you calculate her earnings?

Back

302 - 139 = $163.

Front

What operation is used to find the remaining amount after some is taken away?

Back

Subtraction: To find the remaining amount, subtract the amount taken away from the total amount.

Front

If there were 362 pieces of paper and 146 blew out, how do you find how many are left?

Back

362 - 146 = 216 pieces of paper.