Basic Math

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What is the identity property of multiplication?

Back

The identity property of multiplication states that any number multiplied by 1 remains unchanged. For example, 18,245 x 1 = 18,245.

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CCSS.3.OA.B.5

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What is the result of subtracting a smaller number from a larger number?

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When you subtract a smaller number from a larger number, the result is a positive number. For example, 2111 - 1999 = 112.

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CCSS.7.NS.A.1C

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How do you perform division with a two-digit divisor?

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To divide by a two-digit number, you can use long division. For example, 882 divided by 9 equals 98.

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CCSS.5.NBT.B.6

CCSS.6.NS.B.2

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What is the sum of two numbers?

Back

The sum is the result of adding two or more numbers together. For example, 238 + 394 = 632.

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CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

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What is the difference between two numbers?

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The difference is the result of subtracting one number from another. For example, 232 - 153 = 79.

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What is the commutative property of addition?

Back

The commutative property of addition states that changing the order of the addends does not change the sum. For example, 3 + 5 = 5 + 3.

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CCSS.1.OA.B.3

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What is the associative property of addition?

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The associative property of addition states that the way in which numbers are grouped does not change their sum. For example, (2 + 3) + 4 = 2 + (3 + 4).

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CCSS.1.OA.B.3

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What is a prime number?

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A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself.

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CCSS.4.OA.B.4

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What is a composite number?

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A composite number is a natural number greater than 1 that is not prime, meaning it has more than two positive divisors.

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CCSS.4.OA.B.4

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What is the distributive property?

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The distributive property states that a(b + c) = ab + ac. It allows you to multiply a number by a sum.

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CCSS.3.OA.B.5