**Warmup**

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

**Activity #1**

**Find Number of Groups in Division.**

Your answers to the questions in this activity should be whole numbers. The applet will consider them as estimated values, and then provide you with steps to complete the solution.

- Read problem 1 that has been selected, and
**estimate**your answer. - Use in the applet to choose your value.
- Then, click when you’re done to verify your answer.
- Click the problem button at the top left to choose another question.

**Activity #2**

**Write an Equation.**

Use the applets below to answer the given questions. Then, draw a tape diagram and find the answer.

- Write a multiplication equation and a division equation for the question below.

(1.) How many s are in 1?

(2.) How many s are in 1?

(3.) How many s are in 1?

**Activity #3**

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

- Read the question below and use the tape diagram to provide your response. Show your working clearly.

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.

**Challenge #1**

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.

**Challenge #2**

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.

**Challenge #3**

** 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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