Ch 5 Math Review

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What is division?

Back

Division is the process of splitting a number into equal parts. For example, if you have 12 cookies and want to share them with 3 friends, each friend gets 4 cookies.

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What is multiplication?

Back

Multiplication is a way to add the same number several times. For example, 3 × 4 means adding 3 four times: 3 + 3 + 3 + 3 = 12.

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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, 3 rows of 4 apples can be shown as: 🍏🍏🍏🍏 🍏🍏🍏🍏 🍏🍏🍏🍏.

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

Back

To find the total, multiply the number of rows by the number of columns. For example, 3 rows and 4 columns means 3 × 4 = 12 items.

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What does the term 'product' mean in math?

Back

The product is the result of multiplying two or more numbers together. For example, the product of 2 and 3 is 6.

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What is a factor in multiplication?

Back

A factor is a number that is multiplied by another number to get a product. For example, in 2 × 3 = 6, both 2 and 3 are factors.

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What is a bar diagram?

Back

A bar diagram is a visual representation of data using bars. It helps to compare quantities easily.

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What does it mean to 'put into equal groups'?

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Putting into equal groups means dividing a total into smaller parts that are the same size. For example, 10 apples can be put into 2 equal groups of 5 apples each.

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What is the relationship between multiplication and division?

Back

Multiplication and division are inverse operations. If you know that 4 × 2 = 8, you can also say that 8 ÷ 2 = 4.

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How can you check your division answer?

Back

You can check your division answer by multiplying the quotient (the answer) by the divisor (the number you divided by) to see if you get the original number.