Mathematical Operations and Commutativity

These flashcards cover basic mathematical operations, the concept of commutativity, and strategies for performing addition.

What are the four basic mathematical operations?

Addition, subtraction, multiplication, and division.

What does it mean for an operation to be commutative?

It means that the operation can be performed in any order.

Example of a commutative operation: 218 + 365 + 382 can be added in any order. True or False?

True.

When adding large numbers, how should they be arranged?

In columns, below one another.

What happens when a number in a column exceeds 9 during addition?

The number is 'carried over' to the column to its left.

What is the definition of 'commutative' as per the glossary?

Mathematical operations that can be done in any order.

Is it necessary to use a calculator for basic arithmetic operations during the exam?

No, you should also be able to perform operations mechanically.

What is the sum of 1024, 768, and 23,476?

25,268.