## Cookie Subtraction - Section 3: Explanation of Centers

# Math Centers - End of Year

Lesson 1 of 8

## Objective: Students will be able to independently practice addition, subtraction, patterns, and counting.

## Big Idea: At the end of the year, a lot is going on in our classroom. We continue our center routine for additional practice and to allow for end of the year testing to be completed.

*50 minutes*

#### Problem of the Day

*5 min*

I start each math lesson with a Problem of the Day. I use the procedures outlined here on Problem of the Day Procedures.

Today's Problem of the Day:

**Solve. Draw a picture to show how you found your answer. 10 - 4 =**

For this problem, I created a Notebook file with a lot of open space for students to draw. I also put an equation for the students to solve. If you do not have a SMARTBoard, you can use the PDF file. You could also have the students solve the problem by drawing a picture on paper or the board or using manipulatives.

I have one student come up and work on this problem. I remind student to check his or her work when they are finished and have the class tell if they agree or disagree by showing a thumbs up or thumbs down. I am also looking for students to explain how they solved the problem (Mathematical Practice 3: Construct viable arguments and critique the reasoning of others).

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#### Introducing Centers

*25 min*

I use math centers in my classroom as a way to reinforce the skills that are being taught. Students are able to practice the skills we are currently working on as well go back and revisit the skills taught in previous units. The math centers give students are chance to work independently or with their peers to complete a task. The students are not just learning and practicing number skills, they are also working on social skills including taking turns, sharing, and working cooperatively. Having students working in centers also allows me time to pull small groups of student to my table to work on skills specific to their needs.

I have the students move into a circle. I remind students to sit on the hard floor so that there is space for everyone. I bring up all of the center trays. I explain and model how to complete each center. This week's centers are:

- Building with Lego- Numbers to 30 (Use these number cards from K-5 Teaching Resources)
- Cookie Subtraction (from Mrs. Ricca's Kindergarten)
- Slide and Add (Lakeshore Center- Similar make your own available free from Teachers Pay Teachers)
- Noodle Necklaces- Patterns (Teacher Created Center- Need colored noodles or beads and string)
- Bear Patterns (From Kelly's Kindergarten)

Each center is explained in the video located in the next section.

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The following centers are kept in a stack of plastic drawers in my classroom. Each drawer has a number on it which corresponds to the numbers on the student tables. The students take the center out of their numbered drawer, compete the center and return it to that same drawer when it is time to clean up.

Click on each center below to see a video explanation.

Building with Legos- Numbers to 30

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#### Practice

*20 min*

Once I have introduced all of the centers, I have the students go back to their seats. I remind students of our center rules. Students need to work quietly and stay at their seats. Materials need to remain on the table and be cleaned up quickly and quietly when the clean up song comes on. I call up one student from each table to come back and get their center. I circulate through the room to make sure that all of the centers are being done correctly. We have been doing centers for a while now and all of these centers are about skills that we have already covered, so I pull e groups today to work on decomposing.

Once students are set with centers, I pull students to my table one by one for end of the year assessments.

Prior to taking the last student, I count down from 5 and say "Freeze." When I say this, all students stop what they are doing, put their hands on their heads and look at me. This is a procedure that we use throughout the day. I say to students,* **"You have about five minutes left. Remember when the clean up song comes on, you need to quietly put all of your materials back in your container and return it to the math center drawer. It needs to be in the drawer that matches your table number."* I let the students work for five more minutes and then turn on Tidy Up by Dr. Jean. There are many wonderful transition songs to be found, for free, online if you'd like to use music for transitions too. Students clean up and return to their seats.

Students Working:

Building with Legos- Numbers to 30

Noodle Necklaces

Bear Patterns

Cookie Subtraction

Slide and Add Addition Center

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