Problem Solving(Multiplication and Division)

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What is multiplication?

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Multiplication is a mathematical operation that represents the repeated addition of a number. 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?

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Division is a mathematical operation that represents the process of splitting a number 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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How do you find the number of items in each group when dividing?

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To find the number of items in each group, divide the total number of items by the number of groups. For example, if there are 360 pupils and 8 sections, you divide 360 by 8 to find the number of pupils per section.

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What is the formula for multiplication?

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The formula for multiplication is: Total = Number of groups x Number of items in each group. For example, if there are 5 groups with 3 items each, the total is 5 x 3 = 15.

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What is the formula for division?

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The formula for division is: Total = Number of groups x Number of items in each group. To find the number of items in each group, you can rearrange it to: Number of items in each group = Total ÷ Number of groups.

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If a fish costs PhP 85 per kilogram, how do you calculate the cost for multiple kilograms?

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To calculate the cost for multiple kilograms, multiply the cost per kilogram by the number of kilograms. For example, for 6 kilograms: 85 x 6 = PhP 510.

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What is a practical application of multiplication in daily life?

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A practical application of multiplication is calculating the total cost of items when shopping. For example, if one notebook costs PhP 45 and you buy 3 notebooks, you multiply 45 by 3 to find the total cost.

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What is a practical application of division in daily life?

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A practical application of division is sharing food among friends. If you have 12 cookies and want to share them equally among 4 friends, you divide 12 by 4 to find that each friend gets 3 cookies.

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How do you check your answer after solving a multiplication problem?

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To check your answer, you can use division. If you multiplied 3 x 4 to get 12, you can check by dividing 12 by 4 to see if you get back to 3.

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How do you check your answer after solving a division problem?

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To check your answer, you can use multiplication. If you divided 12 by 4 to get 3, you can check by multiplying 3 by 4 to see if you get back to 12.