7th Grade Topic 1 Rational Numbers Operations

Front

What is a rational number?

Back

A rational number is any number that can be expressed as the quotient or fraction of two integers, where the denominator is not zero.

Front

What does it mean for two quantities to be opposites?

Back

Two quantities are opposites if they are equal in magnitude but have different signs, such as +5 and -5.

Front

How do you combine a positive and a negative integer?

Back

When combining a positive and a negative integer, the result depends on which integer has a greater absolute value.

Front

What is the result of adding two rational numbers?

Back

The result of adding two rational numbers is another rational number.

Front

How do you find the sum of a negative number and a positive number?

Back

To find the sum, subtract the smaller absolute value from the larger absolute value and keep the sign of the number with the larger absolute value.

Front

What is the process for solving a temperature change problem?

Back

To solve a temperature change problem, start with the initial temperature, add or subtract the change in temperature, and ensure to consider the signs.

Front

How do you convert a mixed number to an improper fraction?

Back

To convert a mixed number to an improper fraction, multiply the whole number by the denominator, add the numerator, and place the result over the original denominator.

Front

What is the formula for finding the total when combining deposits and withdrawals?

Back

Total = Initial Amount + Deposits - Withdrawals.

Front

How do you determine the number of batches you can make from a given amount of an ingredient?

Back

To determine the number of batches, divide the total amount of the ingredient by the amount needed for one batch.

Front

What is the significance of zero in addition and subtraction?

Back

Zero is the additive identity, meaning adding zero to any number does not change the value of that number.