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 | | | | | | | | | | | | | | | 1. | | 300 + 100 = | 400 | | 2. | | 400 + 300 = | 700 | | 3. | | 600 + 600 = | 1200 | | | | | | | | | | | | | | | | 4. | | 500 + 100 = | 600 | | 5. | | 800 + 500 = | 1300 | | 6. | | 500 + 700 = | 1200 | | | | | | | | | | | | | | | | 7. | | 600 + 200 = | 800 | | 8. | | 800 + 100 = | 900 | | 9. | | 800 + 400 = | 1200 | | | | | | | | | | | | | | | | 10. | | 300 + 400 = | 700 | | 11. | | 700 + 700 = | 1400 | | 12. | | 300 + 600 = | 900 | | | | | | | | | | | | | | | | 13. | | 300 + 200 = | 500 | | 14. | | 500 + 400 = | 900 | | 15. | | 200 + 800 = | 1000 |
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