LLR_2024

Front

What is the process for adding or 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. Simplify the result if possible.

Front

How do you multiply two numbers?

Back

To multiply two numbers, simply multiply the first number by the second number. For example, 19 x 54 = 1026.

Front

What does the digit in the blue color represent in the number 8954.789?

Back

The digit in blue (7) represents the tenths place, which is 0.7 or .700.

Front

What is the order of operations in mathematics?

Back

The order of operations is Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right), often abbreviated as PEMDAS.

Front

How do you evaluate an expression with parentheses?

Back

To evaluate an expression with parentheses, first solve the operations inside the parentheses, then follow the order of operations for the remaining calculations.

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a proper fraction, such as 2 5/6.

Front

What is an improper fraction?

Back

An improper fraction is a fraction where the numerator is greater than or equal to the denominator, such as 11/6.

Front

How do you simplify a fraction?

Back

To simplify a fraction, divide the numerator and the denominator by their greatest common divisor (GCD).

Front

What is the value of the expression 7 x [(3 x 5) - (2 x 6)]?

Back

The value of the expression is 21.

Front

What is the significance of parentheses in mathematical expressions?

Back

Parentheses indicate which operations should be performed first in an expression, following the order of operations.