These adding and subtracting within 1000 puzzles are great for Christmas math centers, winter, review, early or fast finishers, activities, math ideas, December, January, enrichment, GATE, and critical thinking skills. With the fun snowman and mitten shapes, your 2nd, 3rd, and 4th grade students will be engaged with hands on materials. Choose from a low prep or no prep option! Great for your second, third, or fourth grade classroom or home school students. Great no prep printable worksheets!