Theme: Number Concepts/Number and Relationship Operations
GCO B: STUDENTS WILL DEMONSTRATE OPERATION SENSE AND APPLY OPERATION PRINCIPLES AND PROCEDURES IN BOTH NUMERIC AND ALEGBRAIC SITUATIONS
SCO: By the end of grade 1, students will be expected to
- B1 recognize that addition is used to represent the joining of two groups
- B2 recognize that subtraction is used to represent separating situations
- B3 recognize the relationship between addition and subtraction
- B4 recognize that subtraction can be used to solve missing addend problems
- B5 recognize how to use addition or subtraction to solve comparison problems
- B6 move freely among representing an addition or subtraction situation with a picture, a model, or a number sentence [see suggestions in curriculum guide re. B6 & B7]
- B7 move freely among representing an addition or subtraction situation with a picture, a model, or a number sentence
- B8 memorize simple addition and/or subtraction facts from among those for which the total is 10 or less
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