This product has 32 different subtraction problems in total. Students will be able to practice subtracting a 3 digit by a 3 digit number with regrouping. Each star side has 8 problems, with a total of 4 star sides. I recommend you give students time to solve the problems first, check their work and then they color and build their 3-D star or ornament. They would use both worksheets or 4 star sides to build their 3-D star. I have provided the answer keys for you. I like to post the answer key som