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Check the answers

Sorting shapes by their lines · Grade 4 · Level 3 · Sheet 1. Type in what your child wrote, or tap what they circled, and each answer is marked — with the reason when a wrong one is a mistake we recognize. Nothing you type is sent anywhere.

  1. 1.

    Is this a right triangle?

  2. 2.

    Is this a right triangle?

  3. 3.

    Is this a right triangle?

  4. 4.

    Is this a right triangle?

  5. 5.

    Is this a right triangle?

  6. 6.

    Is this a right triangle?

  7. 7.

    Is this a right triangle?

  8. 8.

    Is this a right triangle?

  9. 9.

    Is this a right triangle?

  10. 10.

    Is this a right triangle?

  11. 11.

    Is this a right triangle?

  12. 12.

    Is this a right triangle?