Fact Fluency Through Subitizing SAMPLE
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Number Strings are an effective way to get students to explore and discover a computation strategy! 58 slides to help students develop fact fluency and learn computation strategies through visually subitizing!
| Subject | Grade Levels | Resource Type | File Type |
| Math, Number Sense, Fact Fluency | K-8 | Number Talk Slides for whole group or small group, in class or distance learning | 58 Google Slides and Jamboard |
Description
Subitizing builds number sense skills such as unitizing, conservation, composing and decomposing numbers.
We know that students first develop perceptual subitizing- the ability to instantly see patterns and know the number. Conceptual subitizing is seeing smaller groups instantly and composing them to make the whole number.
Students need a bridge to be able to move from Perceptual to Conceptual Subitizing by strategic arrangement of dots with known numbers. While they can use perceptual subitizing, this resource is used to help them start to see the parts that compose the whole.
If we want students to build number sense, computation strategies and fact fluency, we need to design lessons and tasks where students EXPLORE and DISCOVER the strategies.
The person doing the thinking and talking is doing the learning.
Number Strings are an effective way to get students to explore and discover a computation strategy. The purpose of a number string talk is to guide students down the path so they discover a specific computation strategy.
Included in this Resource:
- 58 google slides of visual strategies
- Jamboard to record students’ responses when they ‘notice-wonder-make conjectures-prove’
- Possible questions to ask students on several of the slides
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