1. Find 7 − 1. A. 4 B. 6 C. 5 D. 3 Hint 2. Find 3 − 2. A. 0 B. 1 C. 2 D. 5 Hint 3. Subtract. Use the number line.7 − 3 = ___ A. 10 B. 2 C. 5 D. 4 Hint 4. Subtract. Use the number line.8 − 3 = ___ A. 11 B. 6 C. 5 D. 4 Hint 5. Find the difference.3 − 3 = ___3 − 0 = ___ A. 3, 0 B. 0, 4 C. 0, 3 D. 3, 1 Hint 6. Find the difference.10 − 0 = ___10 − 10 = ___ A. 10, 0 B. 10, 1 C. 0, 10 D. 1, 10 Hint 7. Find the missing numbers.4 + ___ = 88 − 4 = ___ A. 2 B. 5 C. 4 D. 3 Hint 8. Find 2 − 1. A. 3 B. 1 C. 2 D. 0 Hint 9. Find the missing numbers.6 + 5 = ______ − 6 = 5 A. 10 B. 12 C. 11 D. 9 Hint 10. Find the missing numbers.8 + 7 = ______ − 8 = 7 A. 16 B. 15 C. 17 D. 18 Hint 11. Find the missing numbers.6 + ___ = 1313 − ___ = 6 A. 8 B. 5 C. 6 D. 7 Hint 12. Find the missing numbers.9 + ___ = 1313 − ___ = 9 A. 6 B. 3 C. 4 D. 5 Hint 13. Complete the fact family.15 − ___ = 7      ___ + 7 = 1515 − 7 = ___      7 + ___ = 15 A. 8 B. 7 C. 9 D. 6 Hint 14. Complete the fact family.___ − 8 = 8      8 + 8 = ___ A. 15 B. 16 C. 17 D. 14 Hint