Engage children with the challenge to find 'What's Missing'!- Versatile (suggestions included)- Independent OR group OR whole class learning opportunities- Hands on learninghttps://www.facebook.com/MadefortheClassroom/videos/2087929188100088/*20 DIFFERENT CIRCLES. Each one has an answer from 1-20 missing from the basic facts sums.*Teaching notes on how to make and use this product. (Please note, pages are A3 sized but can be printed on other paper by selecting 'fit to page' on your printer!)Suitable for all students learning their addition and subtraction facts to 20.New Zealand - Numeracy Stages 4, 5 and 6.USA - CCSS.MATH.CONTENT.2.OA.B.2, Add and subtract within 20.**********************************************************************************************************************************************************TpT awards buyers with credits for purchasing. You get one TpT credit for every $1 you spend on TpT. Every 100 credits is worth $5 for future purchases, and there is no need to wait until you have 100 to redeem them. BUT, you only get the credits after you provide feedback! I strive for 4.0/4.0 every time. If you are unhappy with any product please let me know what the problem is so I can make any changes needed. Thank you for your valuable input.*****************************************************************************Rachel Barker