{"product_id":"humble-math-addition-and-subtraction","title":"Humble Math: Addition \u0026 Subtraction Timed Tests Workbook (Grades 1-3)","description":"\u003cp\u003eThis workbook has 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. Answer key is located at the back of the book.\u003c\/p\u003e","brand":"Libro Studio LLC","offers":[{"title":"Default Title","offer_id":43051343118449,"sku":"9781635783001","price":12.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/7578\/4305\/files\/imageloader_62729173-09a7-4e63-91f8-c21b5db394d8.jpg?v=1772859618","url":"https:\/\/nextchapterhomeschool.com\/products\/humble-math-addition-and-subtraction","provider":"Next Chapter Homeschool","version":"1.0","type":"link"}