# Party Time! (Elapsed Time)

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## Objective

SWBAT apply their understanding of elapsed time to real world activities

#### Big Idea

Elapsed time in real world context helps students determine whether or not their answers are reasonable

## Intro

20 minutes

We are going to watch a video from Discovery Streaming about students trying to solve a real world party problem that includes a guest list, a budget and a plan for how they will pay for it.(You will have to make a free account in order to use it.)

This is the first step in a 3 day activity that ties math into elapsed time, adding, multiplying and applying math to a real world idea or problem.

What kind of real world problems were these boys trying to solve? How did they solve them? What did they need to know to be able to figure it out?

We discuss how math applies to the real world and how the things we’ve been learning about can be used to do real world things like plan a party and come up with a budget and a plan. Students have done well with math this year when it is connected to something that makes sense to them and is relevant to their lives. This is an activity that will require them to budget, research and come up with ways to make money.

## Activity

20 minutes

Today I want you guys to think about activities that you think would be fun for a party. We are going to be using this video to start thinking about ideas we might have for our own parties! You will need to use all that you know about elapsed time to figure out how much time different activities might take (MP1) so that when we start party planning tomorrow, we know what we will have enough time to do!

Students will make their own lists of activities they enjoy at parties and will need to figure out how much time they think each activity will take. Students can rely on any strategies for elapsed time (MP5) that we have discussed but it's important that they understand that if their party lasts 5 hours and they have 7 hours worth of activities that they will have to adjust accordingly. For an open ended assignment such as this, when I see students struggling to generate ideas or record elapsed time I pull them into a small group. We create a shared list of activities the students enjoy and then discuss how much time we would spend doing it. I have a group of students in my room who really struggle with elapsed time so during an activity like this I will need to provide additional scaffolding.

## Close

10 minutes

Who can share with me what activities they listed today? Do you think you would have enough time to do all of those things if you planned a party?

Students are focusing first on elapsed time and having enough time to do everything they have planned. They will create lists of items to purchase tomorrow and they will include and expenses that their activities might cost. By leaving this assignment open ended it allows students to have the flexibility to plan something that they would enjoy, while showing them that a party includes understand many of the math concepts we have studied this year