This set of worksheets is perfect for students to review numbers up to 20. By reading the word problems, our students can practice their Spanish communication skills and by subtracting the numbers, they can practice their standard and written form. Very simple exercises to help them review.It comes with an answer sheet so anyone can use it.You can assign the activity as is, or you can have them write the number in word form as an extension activity.Con estas hojas de trabajo, los alumnos pueden