WARNING: This activity is CHALLENGING (but in a good way)!If you’re looking for an engaging, hands-on activity that will challenge your students, while developing number sense, critical thinking skills, and perseverance, then THIS is exactly what you need!! Students must place the digits, 0 - 9, into a set of equations making each one true. Each digit can only be used one time, so it’s not nearly as easy as it looks and will require some serious determination and problem-solving skills!This is t