3rd grade Operations & Algebraic Thinking

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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.

Tags

CCSS.1.OA.B.3

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What is the Commutative Property of Multiplication?

Back

The Commutative Property of Multiplication states that changing the order of the factors does not change the product. For example, 4 x 6 = 6 x 4.

Tags

CCSS.3.OA.B.5

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What is the Distributive Property?

Back

The Distributive Property states that a(b + c) = ab + ac. It allows you to multiply a number by a sum by distributing the multiplication.

Tags

CCSS.6.EE.A.3

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How can you use the Distributive Property to solve 3 x 9?

Back

You can break it down as (3 x 6) + (3 x 3) = 18 + 9 = 27.

Tags

CCSS.3.OA.B.5

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What does it mean to break apart an array in multiplication?

Back

Breaking apart an array means to express it as the sum of two or more smaller arrays. For example, a 4 x 6 array can be broken into (4 x 2) + (4 x 4).

Tags

CCSS.4.NBT.B.5

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What is repeated addition?

Back

Repeated addition is adding the same number multiple times. For example, 4 + 4 + 4 + 4 is the same as 4 x 4.

Tags

CCSS.3.OA.A.1

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What is a pattern in math?

Back

A pattern is a sequence that follows a specific rule. For example, the pattern 2, 4, 6, 8 adds 2 each time.

Tags

CCSS.3.OA.D.9

Front

How do you find the rule of a pattern?

Back

To find the rule of a pattern, look for what is being added, subtracted, multiplied, or divided to get from one number to the next.

Tags

CCSS.3.OA.D.9

Front

What is an array in multiplication?

Back

An array is a visual representation of multiplication using rows and columns. For example, a 3 x 4 array has 3 rows and 4 columns.

Tags

CCSS.3.OA.A.1

Front

What does it mean to solve a multiplication problem?

Back

To solve a multiplication problem means to find the product of two numbers. For example, solving 5 x 3 means finding that 5 x 3 = 15.

Tags

CCSS.3.OA.A.1