Common Core: 1.NBT.A.1
Problem 1 of 27g1-001
Count the stars. How many stars are there in all?
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The walkthrough opens once you check an answer.
Solution walkthrough0:41
- Count the red stars: 1, 2, 3, 4, 5, 6, 7.
- Keep counting the blue stars: 8, 9, 10, 11, 12, 13.
- The last number we say tells how many. There are 13 stars.
- Touch each star just once. Do not skip one, and do not count one twice. Nice work!