find the difference, using various methods of calculation.
The student, given two whole numbers, each of which is 99 or less, will
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demonstrate fluency with addition and subtraction within 10.
Identify + as a symbol for addition, − as a symbol for subtraction, and = as a symbol for equality. (b)
Flexibility requires knowledge of more than one approach to solving a particular kind of problem. Being flexible allows students to choose an appropriate strategy for the numbers involved.
Accuracy is the ability to determine a correct answer using knowledge of number facts and other important number relationships.
Automaticity of facts can be achieved through meaningful practice which may include games, hands-on activities, dot cards, and ten frames.