Emek and Luna stopped beside the river for a picnic. They had one large sandwich to share. Emek suggested cutting it into two pieces, but Luna wanted to make sure the pieces were equal. They divided the sandwich down the middle into 2 equal parts. Each part was one half of the whole sandwich. Emek took one half, and Luna took the other. Their portions were equal, so they ate happily and continued their adventure.
Challenges
Challenge 1 of 5
Challenges
Challenge 1 of 4
Hint
The whole sandwich was divided into 2 equal parts. Think about the name for one of those parts.
Emek and Luna divided the sandwich into 2 equal parts. What fraction of the whole sandwich was each part?
1/32/21/21/4Correct! One of 2 equal parts is one half, or 1/2.
Remember that a half is one of 2 equal parts of a whole.
Next🎉 Congrats! You got this question!
Hint
Each sandwich makes 2 equal pieces. Count the pieces from both sandwiches.
Suppose Emek and Luna had 2 sandwiches like the one in the story. They cut each sandwich into 2 equal halves. How many half-sandwich pieces would they have altogether?
Correct! Two sandwiches cut into halves make 4 half-sandwich pieces.
Think about how many halves come from each sandwich, then count the halves from both sandwiches.
Next🎉 Congrats! You got this question!
Hint
For the pieces to be halves, they must be equal parts of one whole.
Which way of cutting the sandwich would make two halves for Emek and Luna?
Cut it into 2 pieces, with one piece larger than the other.Cut it into 2 equal pieces.Cut it into 3 equal pieces.Leave the sandwich whole.Correct! Two equal pieces are two halves of the sandwich.
A sandwich is divided into halves only when it is divided into 2 equal parts.
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