Currently, only one of my kids is homeschooled. I do have some experience, but I'm not a seasoned, ten plus years, type of pro! This kiddo is on the spectrum as well. What works for him might not work for typical learning style and vice versa.
Singapore Math has been great. It's easy to follow and teach. The pages are vibrant colors but not overwhelming.
Dimensions Math Textbook KA | Singapore Math
Great manipulatives for your hands on learners.
Learning Resources MathLink Cubes - 100 pcs
Great if you don't feel like printing out worksheets. There are other styles/books as well.
Channie's Quick & Neat Writing Pad - 40 Worksheets
My child has struggled with remembering letters. This has been a really helpful tool.