. Grade 1, Illustrative icon
Task

Doubles?

Illustrative MathematicsVaries

This illustrates MP3. Abel said, How 6 + 6 should be 11: Because 5 + 5 is 10 and 6 is one more than 5 and 11 is one more than 10. Rula said, How 6 + 6 should be 12: Because 5 + 5 is 10 and the sixes don't have room to get in and it's two sixes right. Who is right?

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