11/18 - Adding and Subtracting Rationals with Negatives

Front

What is the result of adding a negative rational number to a positive rational number?

Back

When adding a negative rational number to a positive rational number, you subtract the absolute value of the negative number from the positive number. The result can be positive, negative, or zero depending on the values.

Tags

CCSS.7.NS.A.1C

Front

How do you find the distance between two elevations, one below sea level and one above sea level?

Back

To find the distance between two elevations, you add the absolute values of both elevations. For example, if one elevation is below sea level and the other is above sea level, you add their absolute values.

Tags

CCSS.7.NS.A.1C

Front

What is the process for adding and subtracting mixed numbers?

Back

To add or subtract mixed numbers, first convert them to improper fractions, perform the addition or subtraction, and then convert back to a mixed number if necessary.

Tags

CCSS.7.NS.A.1C

Front

What is the significance of negative numbers in financial transactions?

Back

Negative numbers in financial transactions typically represent debts or losses. They indicate amounts owed or balances below zero.

Tags

CCSS.6.NS.C.5

Front

How do you calculate the total balance in a checking account after several days of fees?

Back

To calculate the total balance after several days of fees, start with the current balance, then subtract the fee for each day the balance is negative.

Tags

CCSS.7.NS.A.1C

Front

What is the formula for calculating the total of multiple transactions?

Back

The total of multiple transactions is calculated by summing all individual transaction amounts, taking care to include negative amounts for withdrawals.

Tags

CCSS.7.NS.A.1A

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.

Tags

CCSS.5.NBT.A.2

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 impact of a daily fee on a negative bank account balance?

Back

A daily fee on a negative bank account balance increases the total amount owed each day, making it more negative.

Tags

CCSS.7.NS.A.1A

Front

How do you simplify the addition of fractions with different denominators?

Back

To simplify the addition of fractions with different denominators, find a common denominator, convert each fraction, and then add the numerators.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2