Can you solve these challenging number puzzles?

# Adventures in Odyssey

Learn how to write secret codes like “junior detective” Matthew Parker.

Do you remember all those strange arrows from the October 2012 edition of Clubhouse? Here they are again. How It Works: To bust this creepy code, you have to read where a spider is on a web! Each letter is located on a certain “strand” of the web. Some are close to the center. Others …

Troubled by the tea code in the January issue? Here it is again: How It Works To decipher this code, you must add up the points in each group of water droplets. The large droplets equal 5 points. Each small droplet equals 1 point. For example, 1 large droplet and 2 small droplets equals 7 …

Greetings and salutations! Have you solved this month’s perplexing puzzle? If you think you have the answer, click on the image below.

Greetings and salutations! In addition to determining the desired numerical sequences, this month’s puzzle asks you to build equations. Complete the grid so that each row and column contains every digit from 1 to 6 (as you would with a sudoku). However, the numbers in each shaded area also form an equation. The total is …

Did February’s coin code make any cents to you? Here it is again: How It Works To decipher this code, first arrange the coins in presidential order: Washington (quarter), Jefferson (nickel), Lincoln (penny) and Roosevelt (dime). Read the letter at the bottom of each coin, then move clockwise to the next set of letters until …

Complete the grid so that each row, column and three-by-three box contains the letters CHIRPTONE. (You can’t have any repeated letters in a line or box.) When you’re ready, click on the puzzle to reveal the solution. If you’ve solved the sudoku correctly, two words will appear in the shaded row. Hint: It’s a …