Number Sense and Quantity · Number Sense
Subitizing and Visualizing Quantities
Developing the ability to recognize small groups of objects without counting and using benchmarks like five and ten.
Key Questions
- 1How does seeing a pattern help us know how many objects there are without counting each one?
- 2Why is ten such an important anchor number in our counting system?
- 3In what ways can a group of seven be broken into smaller parts to make it easier to see?
Ontario Curriculum Expectations
ON: Number - Grade 1
Grade: Grade 1
Subject: Mathematics
Unit: Number Sense and Quantity
Period: Number Sense
Suggested Methodologies
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