enVision 2.0 Grade 3 Topics 1, 2, 3 Review

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What is the Commutative Property?

Back

The Commutative Property states that changing the order of numbers in addition or multiplication does not change the result. For example, 10 x 8 = 8 x 10.

Tags

CCSS.3.OA.B.5

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What is repeated addition?

Back

Repeated addition is adding the same number multiple times. For example, 5 + 5 + 5 + 5 + 5 is the same as 5 x 5.

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CCSS.3.OA.A.1

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How do you divide 16 crayons between 2 people?

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You give each person 8 crayons. 16 crayons ÷ 2 people = 8 crayons per person.

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CCSS.3.OA.A.2

Front

What does the Distributive Property mean?

Back

The Distributive Property states that a number multiplied by a sum is the same as multiplying each addend separately and then adding the products. For example, 5(4 + 1) = (5 x 4) + (5 x 1).

Tags

CCSS.3.OA.B.5

Front

What is the Associative Property?

Back

The Associative Property states that when adding or multiplying, the way numbers are grouped does not change the result. For example, (2 + 3) + 4 = 2 + (3 + 4).

Tags

CCSS.7.NS.A.1D

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What is the Identity Property?

Back

The Identity Property states that adding 0 to a number or multiplying a number by 1 does not change the number. For example, 5 + 0 = 5 and 5 x 1 = 5.

Tags

CCSS.1.OA.B.3

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What is an array in math?

Back

An array is a way to organize objects in rows and columns. For example, a rectangular array of 2 rows and 4 columns has 8 objects.

Tags

CCSS.3.OA.A.1

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How can you express 5 + 5 + 5 + 5 + 5 using multiplication?

Back

You can express it as 5 x 5.

Tags

CCSS.3.OA.A.1

Front

What is the result of 5 x 4 + 5 x 1?

Back

The result is 25, because 5 x 4 = 20 and 5 x 1 = 5, so 20 + 5 = 25.

Tags

CCSS.3.OA.B.5

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What is the difference between addition and multiplication?

Back

Addition combines numbers to find a total, while multiplication is repeated addition of the same number.

Tags

CCSS.3.OA.D.9