QA #2 Level

Front

What is the process of solving an inequality?

Back

To solve an inequality, you find the range of values that satisfy the inequality. This involves isolating the variable on one side and determining the values that make the inequality true.

Front

What does the symbol '<' mean in mathematics?

Back

The symbol '<' means 'less than'. It indicates that the number on the left is smaller than the number on the right.

Front

How do you calculate the total sales from a rate and time?

Back

To calculate total sales, multiply the rate of sales by the time. For example, if 195 candy apples are sold every hour for 15 hours, the total is 195 * 15 = 2925.

Front

What is the formula to find the remaining amount of money after purchases?

Back

Remaining Amount = Initial Amount - Total Cost of Purchases. For example, if you start with $20 and spend $2.95 and $2.42, the remaining amount is $20 - ($2.95 + $2.42) = $14.63.

Front

What is division in mathematics?

Back

Division is the process of splitting a number into equal parts. It is the inverse operation of multiplication.

Front

What does the result of a division represent?

Back

The result of a division represents how many times the divisor fits into the dividend.

Front

How do you express a division problem using symbols?

Back

Front

What is the importance of estimating in mathematics?

Back

Estimating helps to quickly assess the reasonableness of an answer and can simplify calculations.

Front

What is a decimal number?

Back

A decimal number is a number that includes a decimal point, which separates the whole number part from the fractional part.

Front

How do you compare decimal numbers?

Back

To compare decimal numbers, align the decimal points and compare digit by digit from left to right.