Series: Focus on the Child
Focus on the Child videos are taken from one-on-one interviews with individual children. The interviews are designed to elicit evidence of children’s mathematical thinking. They are not teaching episodes or formal assessments.
Series: Focus on the Child
Capture It with Child 15
December 3, 2019
A second-grader works on basic number combinations as we see him playing a comparison card game, Capture It. He is accurate when comparing sums but is still developing his efficiency and flexibility, key indications of fluency.
- Topic: Number Operations
- Age/Grade Level: 1st Grade, 2nd Grade, 3rd Grade
- Tags Child 15
Series: Focus on the Child October 29, 2019
Why One-to-One Correspondence Matters
Children love to count. Counting helps them make sense of the world and to find out how many of something. With time and practice, children develop an understanding of the “rules” or principles of counting.
- Topic: Number Sense, Counting
- Age/Grade Level: Pre-K, Kindergarten
Series: Focus on the Child January 29, 2019
Many Ways to See How Many
Regardless of how high a preschooler can rote count, a child’s sense of what those numbers actually mean develops gradually. We call this understanding number sense, and it requires relating numbers to real quantities.
- Topic: Number Sense
- Age/Grade Level: Pre-K, Kindergarten
- Tags Estimation, Unifix Cubes, Subitizing, Gesture, Dot cards
Series: Focus on the Child December 12, 2018
Transforming Three-Dimensional Shapes with Child 36
This child successfully attempts to match geo-solids using triangular prism-shaped blocks. Focus on the Child videos are taken from one-on-one interviews with individual children. The interviews are designed to elicit evidence of children’s mathematical thinking.…
- Topic: Spatial Relationships, Shape
- Age/Grade Level: Pre-K, Kindergarten
- Tags English Language Learner, Child 36
Series: Focus on the Child December 10, 2018
One-to-One Correspondence with Child 15
A child counts an organized collection of bears. Children often sort collections into groups by color. Here, a preschooler assumes he has equal groups until he counts them.
- Topic: Counting
- Age/Grade Level: Pre-K, Kindergarten
- Tags Child 15
Series: Focus on the Child December 8, 2018
Counting a Large Collection with Child 14
A second grader has a partial understanding of counting in equal groups, but is still working on rational counting. Focus on the Child videos are taken from one-on-one interviews with individual children. The interviews are…
Series: Focus on the Child December 6, 2018
Volume of a Cube with Child 14
This second grader has limited use of structure and a partial understanding of cubic units. Focus on the Child videos are taken from one-on-one interviews with individual children. The interviews are designed to elicit evidence…
- Topic: Measurement
- Age/Grade Level: 2nd Grade, 3rd Grade
Series: Focus on the Child November 17, 2018
Subtraction as the Inverse of Addition with Child 5
This second grader uses a known number combination (3 + 9) to solve a subtraction problem, showing an understanding of how addition and subtraction are related as inverse operations.
- Topic: Number Operations
- Age/Grade Level: 1st Grade, 2nd Grade, 3rd Grade
- Tags Child 5
Series: Focus on the Child October 11, 2016
Repeating Patterns with Child 14
A child is pushed to decipher the repeating pattern in an array of blocks. Then he attempts to continue the pattern.
- Topic: Pattern
- Age/Grade Level: Pre-K, Kindergarten
Do the math.
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