{"product_id":"humble-math-100-days-of-timed-tests-addition-and-subtraction-grades-k-2-math-drills-digits-0-20-reproducible-practice-problems-spiral-bound","title":"Humble Math - 100 Days of Timed Tests: Addition and Subtraction: Grades K-2, Math Drills, Digits 0-20, Reproducible Practice Problems   (Spiral bound)","description":"\u003cp\u003eAn answer key is included in the back of this book, so students can check their answers easily. A few minutes of practice a day can help students tremendously. This workbook has over 100 days of reproducible addition and subtraction practice problems for digits 0-20. Use these pages as timed tests to improve fluidity or let students complete them at their leisure.\u003c\/p\u003e","brand":"Happy Coil","offers":[{"title":"Spiral-bound","offer_id":54285163331897,"sku":"415010","price":17.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/3615\/0073\/files\/download_022d9901-8301-4756-a26d-20a37528b2a0.jpg?v=1785430331","url":"https:\/\/shophappycoil.com\/products\/humble-math-100-days-of-timed-tests-addition-and-subtraction-grades-k-2-math-drills-digits-0-20-reproducible-practice-problems-spiral-bound","provider":"Happy Coil","version":"1.0","type":"link"}