Arielle's Math Practice Day 4

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 helps remember the order: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Front

What is a negative integer?

Back

A negative integer is any whole number less than zero, such as -1, -2, -3, etc.

Front

What does it mean for a set of numbers to be in descending order?

Back

A set of numbers is in descending order when they are arranged from the largest to the smallest.

Front

What is the formula for the circumference of a circle?

Back

The circumference (C) of a circle can be calculated using the formula: C = πd, where d is the diameter.

Front

Back

Front

How do you estimate the value of pi using the diameter and circumference of a circle?

Back

You can estimate the value of pi by dividing the circumference by the diameter: pi ≈ C/d.

Front

What is the result of the expression 18 - 2 x 3 + 4?

Back

The result of the expression is 16.

Front

What is the definition of circumference?

Back

Circumference is the distance around the edge of a circle.

Front

What is the significance of the number zero in integers?

Back

Zero is considered an integer that separates positive integers from negative integers.

Front

What is an example of a mathematical expression?

Back

An example of a mathematical expression is 5 + 3 - 2.