5.OA.1 and 5.OA.2 Flashcardizz

Front

What is the order of operations in mathematics?

Back

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

Front

How do you evaluate an expression with parentheses?

Back

To evaluate an expression with parentheses, first perform the operations inside the parentheses before applying any other operations according to the order of operations.

Front

What does it mean to multiply a number by a sum?

Back

Multiplying a number by a sum means to distribute the multiplication across each term in the sum. For example, a(b + c) = ab + ac.

Front

What is the difference between addition and subtraction?

Back

Addition is the process of combining two or more quantities to get a total, while subtraction is the process of taking one quantity away from another.

Front

How do you convert a word problem into a mathematical expression?

Back

To convert a word problem into a mathematical expression, identify the quantities involved, the operations required, and translate the words into numbers and symbols.

Front

What is the result of (11 - 3) x 4 ÷ 2?

Back

The result is 16. First, calculate the parentheses: 11 - 3 = 8. Then multiply: 8 x 4 = 32. Finally, divide: 32 ÷ 2 = 16.

Front

How do you express 'seven times four then add ten' mathematically?

Back

It can be expressed as 7 x 4 + 10.

Front

What does 'two times the difference of five and three' mean?

Back

It means to first find the difference between five and three, which is 2, and then multiply that result by 2. Mathematically, it is expressed as 2 x (5 - 3).

Front

What is the sum of 7 + (8 + 12)?

Back

The sum is 27. First, calculate the parentheses: 8 + 12 = 20. Then add: 7 + 20 = 27.

Front

What is a mathematical expression?

Back

A mathematical expression is a combination of numbers, variables, and operators (such as +, -, ×, ÷) that represents a value.