Are your 4th graders confused about mixed numbers? This activity promotes small group discussion of mixed numbers and improper fractions, and includes circle models. It can be used with individuals, partners, or a student working with a SPED or ESL aide or tutor.BOOM Cards are self-checking digital pages hosted by Boom Learning. For this activity, students must match a mixed number with the fraction in thirds to a shaded model, a sum with thirds, or an improper fraction. Students get LOTS of pr