Bridges 3rd grade Unit 2 Review

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What is multiplication?

Back

Multiplication is a way to add a number to itself a certain number of times. For example, 3 multiplied by 4 (3 x 4) means adding 3 four times: 3 + 3 + 3 + 3 = 12.

Tags

CCSS.3.OA.A.1

Front

What does the equation 6 x 4 represent?

Back

The equation 6 x 4 represents 6 groups of 4. It can be visualized as an array with 6 rows and 4 columns.

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CCSS.3.OA.A.1

Front

How do you find the total number of items in an array?

Back

To find the total number of items in an array, multiply the number of rows by the number of columns.

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CCSS.3.OA.A.1

Front

What is the product of 5 x 5?

Back

The product of 5 x 5 is 25.

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CCSS.3.OA.C.7

Front

If there are 3 rows of 8 apples, how many apples are there in total?

Back

There are 3 x 8 = 24 apples in total.

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CCSS.3.OA.A.3

Front

What is an array in math?

Back

An array is a way to organize objects in rows and columns to help with counting and understanding multiplication.

Tags

CCSS.3.OA.A.1

Front

What does the equation 3 x 8 equal?

Back

3 x 8 equals 24.

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CCSS.3.OA.C.7

Front

How can you check if your multiplication is correct?

Back

You can check your multiplication by using addition. For example, if you calculated 3 x 4 = 12, you can add 4 three times: 4 + 4 + 4 = 12.

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CCSS.3.OA.A.3

Front

What is the meaning of the term 'factor' in multiplication?

Back

A factor is a number that is multiplied by another number. In the equation 4 x 5, both 4 and 5 are factors.

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CCSS.4.OA.B.4

Front

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.

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CCSS.3.OA.D.9