ocr: My First Math Adventure 2- Adding. and Subtracting. Subtracting to 20 Worksheet 1 Take away the bottom numbers from the top numbers and write the answers in the spaces underneath. 1. - - 14 2. 12 3. 13 -7 - - - 5 9 4. 15 5. 19 6. 20 8 -10 -14 7. 19 8. 15 9. - 18 -16 -12