Numerical Expressions with Integers

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero, but does not include fractions or decimals.

Front

What does it mean to evaluate an expression?

Back

To evaluate an expression means to calculate its value by performing the operations indicated.

Front

What is the order of operations?

Back

The order of operations is a set of rules that dictates the sequence in which calculations are performed: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right). Often abbreviated as PEMDAS.

Front

What operation should be performed first in the expression 5^2 + (9 - 1) ÷ 4 × 10 + 1?

Back

The first operation to perform is (9 - 1), which equals 8.

Front

In the expression 5^2 + (9 - 1) ÷ 4 × 10 + 1, what is the value of 5^2?

Back

The value of 5^2 is 25.

Front

What is the result of dividing 8 by 4?

Back

The result of dividing 8 by 4 is 2.

Front

What is the result of multiplying 2 by 10?

Back

The result of multiplying 2 by 10 is 20.

Front

What is the final result of the expression 5^2 + (9 - 1) ÷ 4 × 10 + 1?

Back

The final result is 25 + 20 + 1 = 46.

Front

Back

Front

Back