Organizing and Collecting The Number System The idea of taking inventory is brought to the...
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![Page 1: Organizing and Collecting The Number System The idea of taking inventory is brought to the classroom from the story of the Masloppy family. The concept.](https://reader036.fdocuments.us/reader036/viewer/2022083008/56649f575503460f94c7b8c0/html5/thumbnails/1.jpg)
YOUNG MATHEMATICIANS AT WORK
Organizing and Collecting The Number System
![Page 2: Organizing and Collecting The Number System The idea of taking inventory is brought to the classroom from the story of the Masloppy family. The concept.](https://reader036.fdocuments.us/reader036/viewer/2022083008/56649f575503460f94c7b8c0/html5/thumbnails/2.jpg)
Overview The idea of taking inventory is brought to
the classroom from the story of the Masloppy family.
The concept of place value is developed as the children pack objects into groups of ten and study patterns in the data.
Children will begin to unitize - to count groups and objects at the same time.
![Page 3: Organizing and Collecting The Number System The idea of taking inventory is brought to the classroom from the story of the Masloppy family. The concept.](https://reader036.fdocuments.us/reader036/viewer/2022083008/56649f575503460f94c7b8c0/html5/thumbnails/3.jpg)
Big Ideas This unit is designed to encourage the
development of some the big ideas underlying early number sense: Compensation and equivalence Unitizing Place determines value Commutativity and associativity Place value patterns occur when making and
adding on groups of ten
![Page 4: Organizing and Collecting The Number System The idea of taking inventory is brought to the classroom from the story of the Masloppy family. The concept.](https://reader036.fdocuments.us/reader036/viewer/2022083008/56649f575503460f94c7b8c0/html5/thumbnails/4.jpg)
Strategies You will notice that children use many
strategies: Using synchrony and one-to-one tagging Counting on and counting backward Skip-counting Using the five- and ten-structures Making ten Keeping one addend whole, using landmark
numbers, and/or taking leaps of ten splitting
![Page 5: Organizing and Collecting The Number System The idea of taking inventory is brought to the classroom from the story of the Masloppy family. The concept.](https://reader036.fdocuments.us/reader036/viewer/2022083008/56649f575503460f94c7b8c0/html5/thumbnails/5.jpg)
Mathematical Modeling
Model of the situation Model of children’s strategies Model as a tool for thinking
![Page 6: Organizing and Collecting The Number System The idea of taking inventory is brought to the classroom from the story of the Masloppy family. The concept.](https://reader036.fdocuments.us/reader036/viewer/2022083008/56649f575503460f94c7b8c0/html5/thumbnails/6.jpg)
Presented by Audra Marsalia Brazos ISD Carla Henson Buffalo ISD Beth Wiggins Snook ISD Pat Duell Kennard ISD Susan Bohan ESC 6