Ch. 4 Ch.MP L. 1-4

1. 9-1= 8 6 7 2. 11-3= 9 8 7 3. 5-2= 9 6 3 4. 7-3= 8 4 5 5. 10-1= 8 9 10 6. 8-3= 9 6 5 7. 12-2= 9 10 4 8. 6-2= 8 4 6 9. 11-2= 9 6 8 10. 10-3= 11. 8-2= 12. 12-3= 13. Add the doubles facts. Then subtract.4+4= 8-4= 4+4=8 , 8-4=3 4+4=8 , 8-4=4 4+4=9 , 8-4=5 14. Add the double facts. Then subtract.9+9= 18-9= 9+9=18 , 18-9=9 9+9=18 , 18-9=8 9+9=18 , 18-9=10 15. There are 10 bikes parked at the beach. 2 children leave with their bikes. How many bikes are still at the beach? 2 bikes 10 bikes 8 bikes. 16. There are 14 whales swimming together. 7 of them swim away. How many whales are still swimming together? 6 whales 7 whales 14 whales 21 whales