6th math winter exam review :)

Front

What is an additive relationship in mathematics?

Back

An additive relationship is when one quantity is obtained by adding a constant to another quantity. For example, if y = x + 3, then y is always 3 more than x.

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What is a multiplicative relationship in mathematics?

Back

A multiplicative relationship is when one quantity is obtained by multiplying another quantity by a constant. For example, if y = 4x, then y is 4 times x.

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How do you find the number of students if 31.5 ounces of vinegar is divided equally among them, with each getting 1.5 ounces?

Back

To find the number of students, divide the total amount of vinegar (31.5 ounces) by the amount each student receives (1.5 ounces). So, 31.5 ÷ 1.5 = 21 students.

Front

How do you calculate total earnings based on hourly wage and hours worked?

Back

To calculate total earnings, multiply the hourly wage by the number of hours worked. For example, if the wage is $6.50 and hours worked is 5.5, then total earnings = 6.50 × 5.5 = $35.75.

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What is the decimal equivalent of the fraction 7/8?

Back

The decimal equivalent of 7/8 is 0.875.

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What does 75% represent in fraction form?

Back

75% is equivalent to the fraction 3/4.

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What is the formula for finding the average of a set of numbers?

Back

To find the average, add all the numbers together and then divide by the total count of numbers. Average = (Sum of all numbers) / (Count of numbers).

Front

What is the relationship between fractions and decimals?

Back

Fractions can be converted to decimals by dividing the numerator by the denominator. For example, 1/2 = 0.5.

Front

How do you convert a percentage to a decimal?

Back

To convert a percentage to a decimal, divide the percentage by 100. For example, 75% = 75 ÷ 100 = 0.75.

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What is the concept of proportional relationships?

Back

Proportional relationships are those in which two quantities maintain a constant ratio. For example, if y is proportional to x, then y/x = k, where k is a constant.