Not only are the numbers 1 – 30 shown on a number line, but the even and odd numbers are also differentiated by color. Helpful for following along while counting aloud. This could also be a helpful assistant for those who still use their fingers to add or subtract. These number lines have a laminated feel, allowing them to be written on with dry-erase markers and adhered to a desk. Color-coded, Blue even and Red odd numbers. Size 1½" x 22". Resource guide is included.