6.7 Daily Review

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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 × 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 ÷ 3 means splitting 12 into 3 equal parts, which equals 4.

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How do you find the total number of items in equal groups?

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To find the total number of items in equal groups, multiply the number of groups by the number of items in each group. For example, 3 groups of 9 items each equals 3 × 9 = 27 items.

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What is the area of a rectangle?

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The area of a rectangle is found by multiplying its length by its width. For example, if a rectangle is 5 cm long and 6 cm wide, its area is 5 × 6 = 30 square centimeters.

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What does it mean to compare numbers?

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Comparing numbers means determining which number is greater, less than, or equal to another number. For example, comparing 5 and 8 shows that 5 < 8.

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What is a total?

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A total is the sum of all parts or items. For example, if you have 23 pieces of plastic, 44 pieces of paper, and 12 pieces of wood, the total is 23 + 44 + 12 = 79 objects.

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What is a mathematical equation?

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A mathematical equation is a statement that two expressions are equal. For example, 42 ÷ 7 = 6 is an equation that shows that dividing 42 by 7 equals 6.

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What is a true comparison in multiplication?

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A true comparison in multiplication shows the relationship between two products. For example, 5 × 8 < 5 × 9 is true because 40 is less than 45.

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How do you solve a division problem?

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To solve a division problem, you determine how many times the divisor fits into the dividend. For example, in 42 ÷ 7, 7 fits into 42 six times.

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What is the concept of equal sharing?

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Equal sharing means distributing items equally among a group. For example, if 42 pencils are shared among 7 students, each student gets 6 pencils.