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Grade 1 Math

NC State Standards: Add and subtract within 20

NC.1.OA.6 Add and subtract, within 20, using strategies such as:

• Counting on

• Making ten

• Decomposing a number leading to a ten

• Using the relationship between addition and subtraction

• Using a number line

• Creating equivalent but simpler or known sums.

Mathematical Practice:

1.      Make sense of problems and persevere in solving them.

2.      Construct viable arguments and critique the reasoning of others.

3.      Attend to precision.

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Objective: Students will be able to use the counting on strategy to add numbers within 20.

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Math Routine 1: 3 Acts Math Solution Video

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Math Routine 1: 3 Acts Math Solution Video

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Objective: Students will be able to add and subtract using the make 10 strategy to count the ten frame.

Description of Task: Students will be shown various that fill in the ten frame to make 10.

Questions:

1. Does this make 10?

2. How many more circles to make 10?

3. What numbers make 10?

4. What are the two colors shown that make 10?

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Objective: Student will be able to use the make ten strategy to add numbers within 20.

Instruction: Circle two numbers that are close together to make 10. You have 1 minute to find as many pairs that make 10.

Materials: Pencil and Worksheet.

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Math Routine 4: Read Aloud/Story Telling 

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Math Routine 4: Read Aloud/Story Telling 

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Objective: Students will be able to recall the counting-on strategy by counting the blocks up to 20.

Title: Jack the Builder

Question: Jack has 17 pieces of blocks, what happens if Jack adds 2 more? How many blocks will he have?

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After doing the math exhibition, there are so many things that i learned. I learned about the time of preparation, thinking about the development of a child when creating the activities, how to make engaging activities for grade 1 students, and how to let students struggle as they do the work. I also learned that sometimes my instruction may not always be clear and sometimes I should clarify what i mean in my instructions. I realized that one of my weaknesses through doing this exhibition is that I am not the most creative person and sometimes, my ideas and activities are too simplistic and people become bored with the activities that I have chosen. My strengths from doing this exhibition are matching my standards, objectives, and activities. I think to improve I would want to do more research of activities and not thinking about finding an easy activity that can be done for me, but finding activities that can challenge my students into learning mathematics.