Module 5: Spelling Numbers 11 to 20 Type the words in the box and then check the spelling by pressing the Get answer! button. Check the spelling carefully. a: 11 b: 12 c: 13 d: 14 e: 15 f: 16 g: 17 h: 18 i: 19 j: 20 Click here for the number 11-20 Worksheet Module 6 - Spelling Numbers 20+ Click here to do another Back to Basics Lesson.