Grade level: 6th | Unit: Decimal Operations | Lesson Title: Strategies for adding/subtracting decimals | |||
Date | Time | 60 min | |||
Objectives: I can solve problems that require decimal addition and subtraction and develop an understanding for place values. Assessment questions, #1, #2, #4 and #5 Prior Knowledge: Knowledge of a decimal number, basic algorithm understanding for addition and subtraction. |
Time | Lesson Plan | Monitoring/ Assessment | |
Warm-up activity (written on the board)- Students work independently and solve the warm-up problems. Once completed, randomly select students to solve the problems in front of the class explaining their process. If a student gets stuck, scaffold learning. If a problem is wrong, ask for agreement and solve the problem. Anticipatory Set: Place value/addition activity Mini Lesson: Use the getting ready handout p.8-9. Examine the problem with the students. Think, pair, share. Do you agree with the clerk? Why? Use non example…10+10 and misalign the place values Identify with the students what the clerk did wrong in the problem (place value, decimal alignment). Write on the board what the clerk did wrong. Ask why one cannot add eight dimes to one dollar. Guided Practice: Go over #1 in problem 1.2 with the students (student read aloud) and write the example of a table on the board with the answer. Group Work: Release students to solve the remainder of the problems in 1.2. Teacher circulates around the room to answer questions and gauge understanding. Ask why place value is important and what each place value is valued at. Identify groups with correct answers. Assist and focus groups on work. Summarize: Ask students to come up and explain how they solved problems 2-4. Assign independent practice Independent Practice: ACE questions Materials: Math journal, Transparency 1.2, Construction Paper, Markers | |||
5 minutes 3 minutes 5 minutes 10 minutes 10 minutes 15 minutes 12 minutes | Teacher monitors work Random students solve problems Asking questions to volunteers Teacher talking with each group/picking students with answers (charting groups/students with correct answers) Teacher evaluates homework and checks for understanding |
Adaptations/Modifications:
ESOL | I have several ESOL students in my classroom. I will adapt by asking them specifically if they understand the content. |
TAG | TAG students will be given more practice in group work (if necessary) |
Special Needs | Any special needs would be addressed based on specific students |
Literacy | Reading aloud, reading independently documenting math work |
The lesson objectives to this lesson are listed in the "Objectives Heading" in the lesson plan. Essentially, I want students to understand the importance of place values in a decimal addition and subtraction problem. I will implement this strategy by using examples of proper place value alignment and "non-examples" and the effects of misalignment has on the result of the problem. I am using Connected Mathematics which follows the Launch, Explore, Summarize (Direct Instruction) style of teaching.
So, what worked? I have only taught this lesson in my micro-teaching cohort activity. I think the portions of the lessons that really worked was the guided practice portion. In expressing the proper way of solving a decimal problem, and modeling this way with the students, they can see how to solve the problem effectively.
So, what worked? I have only taught this lesson in my micro-teaching cohort activity. I think the portions of the lessons that really worked was the guided practice portion. In expressing the proper way of solving a decimal problem, and modeling this way with the students, they can see how to solve the problem effectively.
It is important to see if students are "getting the material." Checking for understanding is an important tool for knowing if students are meeting the learning target/objective. In my lesson above, I do this in a couple of different ways. The first way is through the warm-up activity. Since the warm-up activity will focus on the material covered, I can gauge how much of the material students know, and how much I need to teach them. In the warm-up, I call on random students, which holds them accountable to doing the work. In the group work portion, I walk around to each group and chart how each student and group is doing. I am asking specific questions related to the material to gauge this understanding. In the summary portion of the lesson, I am asking students who performed unique ways of solving a problem to teach the other students what they did. Independent practice will also be assigned and I will check for understanding in their homework assignments.
As my lessons continue, I will evaluate the data I collect on the group work and in the homework. I will also evaluate through summative assessments as the unit evolves. I will use this data to format my lessons to come. If the majority of the class is not understanding a concept, it is my job to clarify that concept to the entire class.
If I were to reteach this lesson, I would probably use more non examples and invite more students to show me their work. Can I make time slow down? It seems that this lesson is fairly jam packed, so finding ways to reduce some of the "fluff" in the lesson without removing important ideas would probably help.
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