Do you need a no prep, self-correcting math resource that your students will find fun and engaging while they revise their understanding of numbers 0-20 this April during Earth Day?Earth Day Maths 0-20 is a 60+ page google slides resource which will tick all the boxes for an engaging, no prep, digital, self-marking math activity this Earth Day.These number google slides fit perfectly into your math curriculum, mini lesson introductions, whole class exit activity or review, individual work or eve