3rd Grade Multiplication/Division Unit 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 4 (12 ÷ 4) means splitting 12 into 4 equal parts, which equals 3.

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What does the term 'array' mean in multiplication?

Back

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

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What is a strip diagram?

Back

A strip diagram is a visual tool used to represent numbers in a problem, showing the relationship between parts and the whole. It helps in understanding division and multiplication.

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How do you solve a division problem?

Back

To solve a division problem, you determine how many times the divisor can fit into the dividend. For example, in 20 ÷ 5, you find that 5 fits into 20 four times.

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What is the relationship between multiplication and division?

Back

Multiplication and division are inverse operations. This means that if you know one, you can find the other. For example, if 4 x 5 = 20, then 20 ÷ 5 = 4.

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What is the equation for finding the total number of items in equal groups?

Back

The equation is: Total items = Number of groups x Items per group. For example, if there are 4 groups with 3 items each, the total is 4 x 3 = 12.

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How do you find the number of items in each group when dividing?

Back

To find the number of items in each group, divide the total number of items by the number of groups. For example, 24 ÷ 6 = 4, so there are 4 items in each group.

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What is a word problem in math?

Back

A word problem is a mathematical question presented in a narrative form, requiring interpretation and problem-solving skills to find the answer.

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What does 'equal parts' mean in division?

Back

Equal parts mean that when you divide something, each part is the same size. For example, if you divide 10 apples among 5 friends, each friend gets 2 apples.