# No Series: Counting Collections to 100 (Uncut)

Math.Practice.MP1

Common core State Standards

• Math:  Math
• Practice:  Mathematical Practice Standards
• MP1:  Make sense of problems and persevere in solving them.

Mathematically proficient students start by explaining to themselves the meaning of a problem and looking for entry points to its solution. They analyze givens, constraints, relationships, and goals. They make conjectures about the form and meaning of the solution and plan a solution pathway rather than simply jumping into a solution attempt. They consider analogous problems, and try special cases and simpler forms of the original problem in order to gain insight into its solution. They monitor and evaluate their progress and change course if necessary. Older students might, depending on the context of the problem, transform algebraic expressions or change the viewing window on their graphing calculator to get the information they need. Mathematically proficient students can explain correspondences between equations, verbal descriptions, tables, and graphs or draw diagrams of important features and relationships, graph data, and search for regularity or trends. Younger students might rely on using concrete objects or pictures to help conceptualize and solve a problem. Mathematically proficient students check their answers to problems using a different method, and they continually ask themselves, \"Does this make sense?\" They can understand the approaches of others to solving complex problems and identify correspondences between different approaches.

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Math.1.NBT.C.4

Common core State Standards

• Math:  Math
• NBT:  Number & Operations in Base Ten
• C:  Use place value understanding and properties of operations to add and subtract
• 4:
Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used. Understand that in adding two-digit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten.

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Math.1.NBT.C.5

Common core State Standards

• Math:  Math
• NBT:  Number & Operations in Base Ten
• C:  Use place value understanding and properties of operations to add and subtract
• 5:
Given a two-digit number, mentally find 10 more or 10 less than the number, without having to count; explain the reasoning used.

## Counting Collections to 100 (Uncut)

Lesson Objective: This is 41 minutes of authentic teaching, unedited, and without teacher narration.
Grades K-2 / Math / Collaboration
Math.Practice.MP1 | Math.1.NBT.C.4 | Math.1.NBT.C.5

Uncut Classrooms This 41-minute Uncut Classroom footage was used to create:

What you'll see:

• Common Core examples
• Choral counting
• Counting by 10s
• Counting collections
• Partner work
• 100's Chart
• Math talk

## Discussion and Supporting Materials

During this lesson I like how the teacher stated the objective at the beginning and went over the previous lesson to have the students make a connection. The teacher is allowing the students to make mistakes and once they realize where they went wrong hey have the opportunity to fix it. The class discussion about different patterns itâ€™s very good. Students get to share ides and collaborated learning is definitely happening. The visual representation is a really re-enforcing the learning in the classroom. Great lesson.

Recommended (0)

I love the visual representation that she gives the students so something abstract can become concrete for them. I love the way she gives the students the ability to explain their answers and how they arrived at their conclusion. This allows them to express themselves, build on their oral language skills, build self confidence, and work through any areas they might need the teachers assistance in.

Recommended (0)

I enjoyed observing this teacher and her students working together to solve math challenges.  The use of problem solving skills to explain and defend their answers gave the students an opportunity to think through their reasons for their answers.  This teacher demonstrated a great deal of patience as she helped students work through their reasoning.

Recommended (0)

Great video! I really enjoyed watching the choral counting routine in the beginning.  My students and I have been counting this way as we count around the circle, but I love how she writes it on chart paper to see the patterns. I will definitely try this with my students.  I also loved how she used the counting collections to find how many more would be needed to make 100. Using the 100 chart to show this concept was a great idea that I can't wait to try next!

Recommended (0)

### School Details

Lakeridge Elementary School
7400 South 115th St
Seattle WA 98178
Population: 417

Data Provided By:

Theresa Tse

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