If a red block is shorter than a blue block, and the blue block is shorter than a green block, which block is the longest?

Q: What will my child learn in "Compare Lengths Using a Third Object"?

If Pencil A is longer than Pencil C, and Pencil B is also longer than Pencil C, can we tell if A is longer than B? This 1st Grade Math lesson builds the skill Indirect Measurement and Transitivity with a concept card and practice.

Q: What grade level is "Compare Lengths Using a Third Object" for?

"Compare Lengths Using a Third Object" is a 1st Grade Math lesson in the Length Measurement unit, designed for students around ages 6-7.

Q: How many practice questions are in this lesson?

This lesson includes 20 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 "Compare Lengths Using a Third Object"?

Sparq is a safe AI tutor that gives kid-friendly hints and explains Compare Lengths Using a Third Object step by step, helping students learn without just giving away the answer.

Q: Do I need an account to practice "Compare Lengths Using a Third Object"?

No account is needed to start — guests can try this 1st Grade Math lesson for free. Signing in saves progress, unlocks more practice questions, and tracks mastery.

Question

If a red block is shorter than a blue block, and the blue block is shorter than a green block, which block is the longest?

Accepted Answer

Green block