Back to Solve real-world and mathematical problems involving the four operations with rational numbers — Problem 2 · Task Set 11

7.NS.A.3 Tutor Intake -- Applying All Four Operations to Rational Numbers

This short check helps your tutor understand where to start. Answer each
question on your own, without a calculator. If you are not sure, give
your best try — every response helps your tutor plan your sessions.

Grade 7·9 problems·~11 min·Common Core Math - Grade 7·standard·7-ns-a-3

Work through problems with immediate feedback

Applications

A submarine goes from $-150$ meters to $-85$ meters. Computing
$-85 - (-150) = 65$ , what does the positive result of $65$ mean?

The submarine descended 65 meters

The submarine ascended 65 meters

The submarine is now 65 meters below its starting depth

The computation is wrong; the result should be negative