These clip cards are a great way for students to practice their understanding of mass (heavier and lighter) using images of a balance scale. Pupils use a multiple choice system to answer which item is heavier or lighter. 32 cards are included which include various visual representations. Each card has two possible answers. Students select the correct answer by clipping a clothespin, peg or paper clip to it. I like to laminate these cards so students can simply circle the correct answer using a dry erase marker. Alternatively, you can print these on paper to hand out to your class at the end of the lesson; pupils circle the correct answer and hand in as a great exit ticket or plenary to the lesson. You might also be interested in this mass/measuring resource: https://www.tes.com/teaching-resource/measuring-mass-worksheets-12486499