It's Detective Time! On page 1, we have a mystery to solve. Beth, Reese, and Calli forgot to sign their names in their pictures. Your task is to read the clues and label the pictures accordingly. Next, let's dive into some number puzzles. Finally, we have a challenge for you with pairs of numbers. Some have the left number smaller than the right. Can you find them and write the 'less than' symbol in the circle?