Question Video: Understanding That Halves Have Different Sizes Mathematics • 2nd Grade

Ethan is getting a whole small chocolate bar. Chloe is getting half of a large chocolate bar. Who will have more chocolate?

02:12

Video Transcript

Ethan is getting a whole small chocolate bar. Chloe is getting half of a large chocolate bar. Ethan says, “I will have the whole of this small chocolate bar.” Chloe says, “I will have half of this large chocolate bar.” Who will have more chocolate?

We know that Ethan is going to eat the whole of his small chocolate bar. So we could think that Ethan has the most chocolate. Both of the chocolate bars are different sizes though. Ethan’s chocolate bar is small. Chloe’s chocolate bar is large. Ethan’s chocolate bar has four squares. Chloe’s chocolate bar has 10 squares. Five squares on the top row and five on the bottom. If Ethan eats the whole of his small chocolate bar, he will eat four squares. Chloe eats half of her large chocolate bar, which is five squares. Half of 10 is five.

Even though Chloe is only getting half of her large chocolate bar, five squares are more than four squares. So Chloe will have the most chocolate. Although Ethan was going to eat a whole chocolate bar, his chocolate bar was smaller than Chloe’s. He only ate four pieces. Although Chloe was only eating half of her chocolate bar, she had a larger chocolate bar with 10 pieces. So half of her chocolate bar was five.

Five is more than four. Chloe had more chocolate.

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