Lesson XIX

Addition and story problems with the number NINE.  Mice, fish, horses, oranges, plums, buttons,… even George and Henry pooling their assets (cents)!


ADDITION.

LESSON XIX.

9 and 1 are 10               5 and 9 are 14

1 and 9 are 10               9 and 6 are 15

9 and 2 are 11               6 and 9 are 15

2 and 9 are 11               9 and 7 are 16

9 and 3 are 12               7 and 9 are 16

3 and 9 are 12               9 and 8 are 17

9 and 4 are 13               8 and 9 are 17

4 and 9 are 13               9 and 9 are 18

9 and 5 are 14               9 and 10 are 19

10 and 9 are 19.

——————

1. A cat caught 9 mice one day, and 2 the next: how many did she catch in both days?

SOLUTION.–She caught 9 mice and 2 mice, which are 11 mice.

2. Mary gave 3 cents for paper, and 9 cents for a book: how much did both cost?

3.  Joseph caught 9 fishes in one pool, and 4 in another: how many did he catch?

4. If five horses are in one field, and 9 in another, how many horses are in both fields?

5. If you have 9 oranges, and buy 6 more, how many oranges will you then have?

6. Charles had 7 plums, and John gave him 9: how many did he then have?

7. Sarah had 9 buttons, and her aunt gave her 8 more: how many had she then?

8. George and Henry have 9 cents each: how many cents have both?

9. How many are 10 pounds and 9 pounds?

(21)

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