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Dividing By a Decimal Number: Over, Over, and Up!

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 challenging words: multiplying, incorrect, costs, among, divide, however, lesson, several, possible, class, okay, amount, need, correct, straight, arrow content words: Then Mrs

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 Dividing By a Decimal Number: Over, Over, and Up! By Cindy Grigg

1     "Class, in our math lesson today I will need your help," said Mrs. Brown. "We've been learning how to do some long division, and you have done very well. Today we will learn a new division trick. When I move my hand like this, I need for you to say, "Over." Mrs. Brown moved her hand from left to right as though she were making a U. "Let's practice that, shall we?" She moved her hand from left to right, making a U in the air.

2     Her students said, "Over!"

3     "Very good!" said Mrs. Brown. "Also, when I stick up my thumb, I need you to say, "Up."

4     She put her thumb up with her fingers closed in a fist. The students said, "Up!"

5     "That's perfect!" said Mrs. Brown.

6     Joe asked, "But why do we need to do that for a math lesson?"

7     "I'll show you, Joe. We're going to divide a big number by a decimal number. When we divide, we want the

8     divisor to be a whole number. So we will move the decimal point over until it is a whole number."

9     "Suppose I have \$1.00, and I want to give a quarter to as many students as possible," said Mrs. Brown. "I wonder how many students would get a quarter."

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