Solve Multi-Step Problems Using Rational Numbers

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

How do you calculate the total earnings from hourly wages?

Back

Total earnings can be calculated by multiplying the hourly wage by the number of hours worked.

Front

What is the formula to find the remaining amount after expenses?

Back

Remaining amount = Total amount - (Sum of all expenses).

Front

How do you estimate the value of an expression?

Back

To estimate the value of an expression, round the numbers to the nearest whole number and perform the operations.

Front

What does the absolute value of a number represent?

Back

The absolute value of a number represents its distance from zero on the number line, regardless of direction.

Front

How do you calculate the area of a rectangle?

Back

Area = Length × Width.

Front

What is the significance of parentheses in mathematical expressions?

Back

Parentheses indicate which operations should be performed first in an expression.

Front

How do you solve a multi-step problem?

Back

Break the problem into smaller steps, solve each step sequentially, and combine the results.

Front

What is the cost per square foot?

Back

Cost per square foot is the total cost divided by the total area in square feet.

Front

How do you find the total cost of multiple items?

Back

Total cost = Number of items × Cost per item.