Giving Gifts: All About Decimals
Students will solve decimal addition problems in a real world setting.
Introduction (5 minutes)
- Explain to students that today for math they will be creating a holiday shopping list for their family and friends.
- Before starting the activity, tell students that you would like to review the addition of decimals.
- Display and hand out the Add Up Your Money! attachment.
Explicit Instruction/Teacher Modeling (5 minutes)
- Model how to complete the first four addition problems on the Add Up Your Money! attachment while the students follow along and write in the work and answers.
Guided Practice/Interactive Modeling (25 minutes)
- Instruct students to complete the rest of the attachment while you walk the room and help as needed.
- Once everyone has finished, hand out the Happy Holiday Gift Giving attachment.
- Explain to students that they have been given a $50 budget to shop for 5 people for the holidays. Tell them it is very important that they do not spend more than their budget.
- Have the students fill in the names of the 5 people they will be shopping for.
- Hand out or have students get out notebook paper.
- Explain to students that they will be looking through store ads and magazines for gift ideas for each person on their list. They will be using the notebook paper to write down the gift ideas and prices to use as scratch paper so they can keep track of their budget.
- Tell the students they will have only 10 minutes to make their gift decisions. Tell them you will let them know when there are 5, 2, and 1 minutes left to make their final decisions.
- Create piles of store ads and magazines either at each table group or at the front of the classroom.
- Set a timer for 10 minutes.
- Start the timer and have students begin looking for gift ideas.
- Walk the room to monitor students and help as needed while reminding the students of the time.
- At the end of 10 minutes, have students recheck their work on the notebook paper to make sure they are within the $50 budget.
Independent Working Time (20 minutes)
- Refer students to the Happy Holiday Gift Giving attachment.
- Have students write down the final gifts and prices in number 2.
- Have students cut out the pictures, if applicable, of the gift items and set aside.
- Hand out one sheet of both red and green construction paper to each student.
- Have students create their final list by following the instructions on number 4 on the Happy Holiday Gift Giving attachment.
- Make sure students complete number 5 on the attachment before turning in their work.
- Enrichment: Challenge advanced students to create a different shopping list with a budget of $100 dollars for 8 people.
- Support: Limit the problems to be completed on the Add Up Your Money attachment. While you are monitoring the class, spend a little extra time helping students who need support.
- Use the completed list as an informal assessment.
Review and Closing (5 minutes)
- Display the final shopping lists throughout the class and conduct a gallery walk for students to view each others work.