Multiplication & Division Assessment

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What is multiplication?

Back

Multiplication is a mathematical operation where a number is added 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.

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What is division?

Back

Division is a mathematical operation where a number is split into equal parts. For example, 12 divided by 3 (12 ÷ 3) means splitting 12 into 3 equal parts, which equals 4.

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How do you find the total number of items when you have groups?

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To find the total number of items in groups, multiply the number of groups by the number of items in each group. For example, 4 plates with 6 slices each means 4 x 6 = 24 slices.

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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, an array of 30 tiles with 5 tiles in each row has 6 rows.

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How do you solve for an unknown in multiplication?

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To solve for an unknown in multiplication, you can divide the total by the known number. For example, if _ x 5 = 15, divide 15 by 5 to find that _ = 3.

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What does it mean to cut something into equal parts?

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Cutting something into equal parts means dividing it so that each part is the same size. For example, cutting a 45-foot chain into 5 equal pieces means each piece is 9 feet long.

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What is the multiplication symbol?

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The multiplication symbol is 'x' or '*'. It indicates that two numbers should be multiplied together.

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What is the division symbol?

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The division symbol is '÷' or '/'. It indicates that one number should be divided by another.

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How can you check your multiplication answer?

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You can check your multiplication answer by using division. If 4 x 6 = 24, then 24 ÷ 6 should give you 4.

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What is a factor in multiplication?

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A factor is a number that is multiplied by another number. For example, in 3 x 4, both 3 and 4 are factors.