Click the “START” button in the applet below to begin.

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**Find Number of Groups in Division.**

- Read problem 1 and estimate your answer. Use the upward arrow in the box to choose your value.
- Click on “Check” to verify your answer.
- Click the down arrow at the top to choose another question. Your answers to all the problems should be whole numbers.

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**Write an Equation.**

**(A). Write a multiplication equation and a division equation for the question below. Then, draw a tape diagram and find the answer.**

How many s are in 1?

**(B). Write a multiplication equation and a division equation for the question below. Then, draw a tape diagram and find the answer.**

How many s are in 1?

(C). Write a multiplication equation and a division equation for the question below. Then, draw a tape diagram and find the answer.

How many s are in 1?

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**Use a Tape Diagram to Represent a Division Equation.**

We can think of the division expression 10 ÷ 2 ½ as the question: “How many groups of 2 ½ are in 10?” Complete the tape diagram to represent this question. Then find the answer.

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Select **all** the equations that can represent the question: “How many groups of are in 1?

Complete the tape diagram to represent the question: “How many groups of 2 are in 7?” Then find the answer.

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How many groups of day are in 1 week? Draw a tape diagram to show the relationship between the quantities and to answer the question. Use the graph paper below if needed.

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** Write a Math puzzle**.

- Think of a number.
- Double the number.
- Add 9.
- Subtract 3.
- Divide by 2.
- Subtract the number you started with.

**The answer should be 3!**

Why does this always work? Can you think of a different number puzzle that uses math (like this one) that will always result in 5?

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