A class made 39 bags with 21 shells in each bag. Is 819 shells reasonable?

Q: What will my child learn in "Check multiplication stories for reasonableness"?

Round the factors to estimate the total in the story. This 5th Grade Math lesson builds the skill Solve multiplication word problems with a concept card and practice.

Q: What grade level is "Check multiplication stories for reasonableness" for?

"Check multiplication stories for reasonableness" is a 5th Grade Math lesson in the Multiply whole numbers unit, designed for students around ages 10-11.

Q: How many practice questions are in this lesson?

This lesson includes 40 practice questions with instant feedback. Guests can try a few for free, and signed-in learners get the full adaptive set that adjusts to their level.

Q: How does Sparq help with "Check multiplication stories for reasonableness"?

Sparq is a safe AI tutor that gives kid-friendly hints and explains Check multiplication stories for reasonableness step by step, helping students learn without just giving away the answer.

Q: Do I need an account to practice "Check multiplication stories for reasonableness"?

No account is needed to start — guests can try this 5th Grade Math lesson for free. Signing in saves progress, unlocks more practice questions, and tracks mastery.

Question

A class made 39 bags with 21 shells in each bag. Is 819 shells reasonable?

Accepted Answer

yes