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Number
and Operations Standard
for Grades Pre-K–2
Understand
meanings of operations and how they relate to one another
• understand various meanings of addition and subtraction of whole numbers
and the relationship between the two operations;
• understand the effects of adding and subtracting whole numbers;
• understand situations that entail multiplication and division, such as
equal groupings of objects and sharing equally.
Visit
these Websites to practice addition and subtraction.
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AAA
Math
Practice
your skills using one of the addition or subtraction
activities.
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A+
Math
Uncover
the hidden picture adding numbers.
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A+
Math
Uncover
the hidden picture by subtracting numbers.
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Alfy
Find
the sums.
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Math
Magician Games
Take
the math challenge.
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