ACT English Practice

Front

What is the importance of practice in solving Sudoku puzzles?

Back

Practice helps improve problem-solving skills and makes seemingly impossible puzzles more manageable.

Front

What is the basic structure of a Sudoku puzzle?

Back

A Sudoku puzzle consists of a nine-by-nine grid with a total of 81 spaces, where each number from one to nine must appear only once in each row and column.

Front

Why is it important to keep the sentence about the solution process in a Sudoku explanation?

Back

It helps the reader understand how to solve the puzzle effectively.

Front

What is the origin of Sudoku attributed to?

Back

The origin of Sudoku is attributed to Leonhard Euler, a Swiss mathematician.

Front

What does it mean to discern an error in Sudoku?

Back

To discern an error means to identify which number has been placed incorrectly in the puzzle.

Front

What should you do if you discover an error in your Sudoku puzzle and don't have a pencil?

Back

Use a pen to write the digit as a series of light dots.

Front

What phrase is commonly used to describe the popularity of Sudoku?

Back

Sudoku has taken the world by storm.

Front

What is the correct phrase to use when describing how Sudoku has gained popularity?

Back

Sudoku has gained popularity by storm.

Front

What is a common mistake in writing about Sudoku's history?

Back

Placing the word 'sometimes' incorrectly in a sentence about its origin.

Front

What is the role of each number in a Sudoku puzzle?

Back

Each number must appear only once in each row and column.