Unit 3 Math Test Review - estimation and problem solving

Front

What is estimation in math?

Back

Estimation is a method used to find an approximate value that is close to the exact amount. It helps in making quick calculations.

Front

How do you estimate the difference in subtraction?

Back

Round each number to the nearest ten or hundred, then subtract the rounded numbers.

Front

What is the result of 54 x 9?

Back

486

Front

What is the correct estimation for 6,867 - 904?

Back

6,900 - 900 = 6,000.

Front

What is a pattern in math?

Back

A pattern is a sequence of numbers or shapes that follow a specific rule or formula.

Front

What are the next two numbers in the pattern: 80, 73, 66, 59?

Back

52, 45.

Front

What is the result of 10,000 – 1,486?

Back

8,514.

Front

What does it mean to divide a number?

Back

Dividing a number means splitting it into equal parts. For example, 436 ÷ 2 means splitting 436 into 2 equal parts.

Front

What is a multiplication fact?

Back

A multiplication fact is a basic multiplication equation, such as 6 x 7 = 42.

Front

What is the purpose of using estimation in problem solving?

Back

Estimation helps to quickly assess whether an answer is reasonable without calculating the exact answer.