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Grade 1 - Number Concepts (Click on the SLO that interests you)


1. Say the number sequence 0 to 100 by:

• 1s forward between any two given numbers, 1s backward from 20 to 0, 2s forward from 0 to 20, 5s and 10s forward from 0 to 100.


2. Subitize (recognize at a glance) and name familiar arrangements of 1 to 10 objects or dots.


3. Demonstrate an understanding of counting by:

• indicating that the last number said identifies “how many," showing that any set has only one count, using the counting-on strategy, using parts or equal groups to count sets.


4. Represent and describe numbers to 20, concretely, pictorially and symbolically.


5. Compare sets containing up to 20 elements, using:

• referents, one-to-one correspondence


6. Estimate quantities to 20 by using referents.


7. Demonstrate an understanding of conservation of number.


 

 

 

 

 

 
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