Numerical Expressions

Front

What is a numerical expression?

Back

A numerical expression is a mathematical phrase that includes numbers and operations (such as addition, subtraction, multiplication, and division) but does not include an equal sign.

Tags

CCSS.6.EE.A.1

Front

How do you evaluate a numerical expression?

Back

To evaluate a numerical expression, perform the operations in the correct order, following the order of operations (PEMDAS/BODMAS: Parentheses/Brackets, Exponents/Orders, Multiplication and Division (from left to right), Addition and Subtraction (from left to right)).

Tags

CCSS.7.NS.A.3

Front

What does the term 'order of operations' refer to?

Back

The order of operations is a set of rules that dictates the sequence in which operations should be performed in a mathematical expression to ensure consistent results.

Tags

CCSS.7.NS.A.3

Front

What is the value of 3^2?

Back

3^2 means 3 multiplied by itself, which equals 9.

Tags

CCSS.6.EE.A.1

Front

How do you simplify the expression (7 + 41) ÷ 2 – 15?

Back

First, calculate (7 + 41) = 48. Then, divide by 2 to get 24. Finally, subtract 15 to get 9.

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Front

What is the result of 2 + (9^2 - 4)?

Back

First, calculate 9^2 = 81. Then, subtract 4 to get 77. Finally, add 2 to get 79.

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Front

How do you evaluate the expression 2 × 3^3 + 7?

Back

First, calculate 3^3 = 27. Then, multiply by 2 to get 54. Finally, add 7 to get 61.

Tags

CCSS.6.EE.A.1

Front

What does the expression [(6 x 3)] x 2 ÷ 9 evaluate to?

Back

First, calculate 6 x 3 = 18. Then, multiply by 2 to get 36. Finally, divide by 9 to get 4.

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Front

What is the significance of parentheses in numerical expressions?

Back

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

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Front

What is an exponent in mathematics?

Back

An exponent is a number that indicates how many times to multiply the base number by itself.

Tags

CCSS.6.EE.A.1