Which tool would you use to measure the length of a book: a ruler or a cup?

Q: What will my child learn in "Choose a good unit or tool"?

Use a ruler for length and a scale or balance for mass when shown in pictures. This 2nd Grade Math lesson builds the skill Capacity, mass, and other attributes with a concept card and practice.

Q: What grade level is "Choose a good unit or tool" for?

"Choose a good unit or tool" is a 2nd Grade Math lesson in the Measurement unit, designed for students around ages 7-8.

Q: How many practice questions are in this lesson?

This lesson includes 137 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 "Choose a good unit or tool"?

Sparq is a safe AI tutor that gives kid-friendly hints and explains Choose a good unit or tool step by step, helping students learn without just giving away the answer.

Q: Do I need an account to practice "Choose a good unit or tool"?

No account is needed to start — guests can try this 2nd Grade Math lesson for free. Signing in saves progress, unlocks more practice questions, and tracks mastery.

Question

Which tool would you use to measure the length of a book: a ruler or a cup?

Accepted Answer

a ruler