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Grade 1 puzzle 4: Order by comparing (transitivity)

A free grade 1 math puzzle that teaches Order by comparing (transitivity). Try it first — the hint and the full solution open when you are ready.

Problem 4 · Order by comparing (transitivity) · 4 points

Made by AI and not reviewed by a real person.

A cat is heavier than a rabbit. The rabbit is heavier than a mouse. Who is the lightest?

Illustration for problem 4
  1. the mouse
  2. the rabbit
  3. they weigh the same
  4. the cat
  5. you cannot tell
Show a hint
  • Make a small drawing for each sentence to show its weight comparison. Then look at both drawings together.
  • One animal appears in both comparisons. Use that animal to connect the two clues.
Show the answer and solution

Answer: A — the mouse

The cat is heavier than the rabbit, and the rabbit is heavier than the mouse. That means the cat is also heavier than the mouse. Since both the cat and the rabbit are heavier than the mouse, the mouse is the lightest. “You cannot tell” is a tempting wrong choice because the cat and mouse are not compared directly, but the two clues together let us compare them.

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