Fill in the missing numbers in the number bond exercises on this educational worksheet.
A worksheet titled "Number Bonds" with a grid of number bond diagrams, each showing two numbers connected to a central number with one missing number to be filled in. The worksheet includes numbers like 10, 16, 15, 18, and 13, with blank circles for students to complete the missing values. Cartoon characters are at the top right, and the website "www.worksheetdigital.com" is at the bottom.