This is a bundle of mystery picture color-by-number addition and subtraction 2nd-grade worksheets. It covers addition and subtraction with regrouping, no regrouping, one-step and 2-step word problems, arrays, and adding 3 and 4 numbers.This product is divided into sets. Each set has a questionnaire, coloring page, and an answer key. You can use it as review packets, enrichment and extension activity, fun math center, station, practice, or homework for grade 2 kids. A. Addition Without Regroupin