The download button opens the iTunes App Store, where you
may continue the download process. You must have iTunes installed with an
active iTunes account in order to download and install the software. This
download may not be available in some countries.
From Keith Gardner:
This app is designed to help students build fluency with addition and subtraction facts while also mastering Common Core Standard 1.OA.D.7: Understand the meaning of the equal sign, and determine if equations involving addition and subtraction are true or false. Also helps with the Singapore Math Curriculum. Students need scaffolded experiences to develop this skill. This app includes level one for free, with 24 equation cards. The full app includes 240 equation cards that are presented in 10 levels of increasing complexity. The levels are: Addition within 10 (free)Subtraction within 10 Mixed +/- within 10 Addition within 20 Subtraction within 20 Mixed +/- within 20 Addition Problems such as 5 + 1 = 4 + 2 within 10 Subtraction Problems such as 6 - 1 = 7 - 3 within 10 Mixed +/- Problems such as 8 - 2 = 5 + 4 within 10 Mixed +/- Problems such as with 5 + 3 = 14 - 5 within 20 We hope your students enjoy these games. If you have questions or feedback, wed love to hear from you. We can be reached at firstname.lastname@example.org. Many thanks to Summer Pittman for the graphic frame design (http://www.teacherspayteachers.com/Store/Summer-Pittman/Order:Price-Asc).