Series: Focus on the Lesson
Videos that allow teachers to think through math lesson strategies.
Series: Focus on the Lesson
Photo Chat about Quantities Puts the Focus on Units
May 10, 2023
In this video, preschoolers share the quantities they see when looking at a photo of a box of doughnuts. There are many ways to answer the question, how many of what?, depending on the unit.
- Topic: Number Sense, Data Analysis
- Age/Grade Level: Pre-K, Kindergarten, 1st Grade
Series: Focus on the Lesson November 27, 2021
Counting a Collection of 101 – How Did You Count Them?
Counting Collections is an activity rooted in sense-making and joy. It invites students to count a collection of objects, talk to a partner about how they counted and then draw/represent their collection on paper. In…
- Topic: Number Sense, Counting
- Age/Grade Level: Pre-K, Kindergarten, 1st Grade
Series: Focus on the Lesson April 13, 2021
Rekenrek Chart for Voting in the Classroom
Looking for new rekenrek activity ideas? Try voting with a rekenrek chart. In this video, we see a rekenrek chart used to solve a dilemma common to early childhood classrooms: choosing between two favorite books…
- Topic: Number Sense, Data Analysis
- Age/Grade Level: Pre-K, Kindergarten, 1st Grade
- Tags Subitizing, Rekenrek
Series: Focus on the Lesson March 17, 2021
Making the Number Ten on a Rekenrek
A good sense of the number ten is critical for building young children’s reasoning strategies. Here we see kindergarteners making the number ten on a rekenrek, a tool with red and white beads in groups…
- Topic: Number Sense
- Age/Grade Level: Kindergarten, 1st Grade
- Tags Rekenrek, Subitizing
Series: Focus on the Lesson January 28, 2020
Launch Problem Solving with Understanding Using Three Reads
In this lesson launch, we see a third-grade teacher using reading comprehension strategies to help children understand a math story problem using a Three Reads strategy.
- Topic: Number Operations
- Age/Grade Level: Kindergarten, 1st Grade, 2nd Grade, 3rd Grade
Series: Focus on the Lesson August 17, 2018
Dot Card Transition Activity
Transition time is a great time for mathematizing a daily routine. This dot card transition is a relatively simple routine that builds number sense in a concrete way, allowing them to subitize.
- Topic: Number Sense
- Age/Grade Level: Pre-K, Kindergarten
- Tags Subitizing, Dot cards
Series: Focus on the Lesson September 26, 2016
Attendance Routine to Build Number Sense
This Spanish-language example of a rekenrek attendance routine demonstrates how one teacher can mathematize an everyday activity.
- Topic: Number Sense, Counting
- Age/Grade Level: Pre-K, Kindergarten
- Tags English Language Learner, Rekenrek
Series: Focus on the Lesson August 16, 2016
Mouse Collections
Preschool storytime is a great time to teach mathematics! In this video, two teachers use Ellen Stoll Walsh's "Mouse Count" to illustrate the concept of "less and more."
- Topic: Number Operations
- Age/Grade Level: Pre-K, Kindergarten
- Tags Animals, English Language Learner, Play, Books, Ellen Stoll Walsh, Mouse Count
Series: Focus on the Lesson June 25, 2016
Number Arrangements
Students create visual representations of different numbers. All children will benefit most from exploring number arrangements by beginning with 3 and moving up from that.
- Topic: Number Sense
- Age/Grade Level: Pre-K, Kindergarten
- Tags Subitizing
Series: Focus on the Lesson April 7, 2016
Preparing for a Gallery Walk
In a Gallery Walk, students walk around the classroom and describe their math thinking in depth, reflecting on the ideas of their classmates.
- Age/Grade Level: 1st Grade, 2nd Grade, 3rd Grade
- Tags Gallery walk
Do the math.
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