Numbers are used to record amounts or quantities. Learning numbers is essential for kids, because it is the very first step of a kid entering into mathematics. Learning numbers includes understanding their quantity, their relationships with other numbers, and how they are affected by operations. Kids need to have a lot of experience in handling numbers.
This worksheet is all about the number 5. It illustrates the geometric shapes composed of five square blocks, and operations involving the number 5. A pentomino is a polyomino made by connecting five squares. There are 12 different pentominoes, with 6 of them showing on this worksheet. The operations involving 5 are demonstrated by number blocks: 1 plus 4 makes 4; 2 plus 3 makes 5; 3 plus 2 makes 5; 4 plus 1 makes 5; 1 times 5 makes 5; 5 times 1 makes 5; 2 times 5 makes 10; 3 times 5 makes 15; 4 times 5 makes 20; 5 times 5 makes 25. This sheet is a great tool for kids to practice counting, visualize numbers, connect numbers, and learn basic operations and geometric concepts.