Lesson Plan : Adding Positive and Negative Integers

Teacher Name:
 Courtney Hsu
Grade:
 Grade 7-8
Subject:
 Math

Topic:
 Adding integers
Content:
 Adding positive and negative integers
Goals:
 Students will be able to add with positive and negative integers without the use of manipulatives by the end of the lesson.
Objectives:
 In pairs, students will be adding using two different-colored packs of gum. Then they will start their homework on adding integers without the use of gums.
Materials:
 two different-colored packs of gum
Introduction:
 Teacher will model a real-life application with an example about a temperature rising from sub-zero degrees. She will demonstrate the addition with the help of a timeline.
Development:
 Then the teacher will model a similar problem through the use of packs of gum, each color representing either a negative or positive integer. The teacher will model one or two more addition problems with gums. The teacher will write and explain the two rules, about adding like and unlike signs. Then he or she will demonstrate a problem using these rules and also using the gums to show that both are equivalent.
Practice:
 Then the students, in pairs, will try to solve three practice problems with their own sets of gums.
Accommodations:
 The teacher writes and explains the rules so that students are reinforced with the information. The teacher also monitors the students as they do their practice problems. Working in pairs also makes it more fun and gives students opportunities to help each other understand the concepts better. Such group work is also good for those with attention difficulties.
Checking For Understanding:
 Monitoring the students as they do their practice problems allows the teacher to see if most students are doing them correctly and understanding.
Closure:
 The teacher will restate the key concepts of the lesson again. Then students will write in their journals about what they learned today and especially about how they added integers during practice . This closure gives them a chance to think things thoroughly and pose any questions that they may have in their journals.
Evaluation:
 Teachers can evaluate students through the act of monitoring during students' practice time, journal writings, and also homework that will be handed in the next day.
Teacher Reflections:
 Was there sufficient time to cover all key concepts? Did most students seem to be able to do the problems? Were there a lot of questions posed in the journals?

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