25. 1. Fred has 13 white rabbits and 4 brown rabbits. How many rabbits has he in all?

2. Nine birds lighted on a roof. One flew away, and then 3 flew away. How many flew away? How many were left?

3. Robert had $4. His father gave him $1 He bought his mother a Christmas present for $2. How many dollars has he left?

more.

4. Yesterday there were 3 roses on a bush. To-day 4 more bloomed. Margaret picked 2. How many are still on the bush?

5. Charles got 4 picture cards from his father and 7 from his mother. He gave away 2. How many has he now ?

6. Mary passes 9 houses on her way to school and Margaret passes 4. How many more does Mary pass than Margaret?

7. How many books must I add to 8 books to make 17 books?

8. Harry caught 14 fishes and sold 5 of them. How many fishes has he left?

9. There are 9 trees in one row and 7 trees in

another row. How many trees in both rows?

10. Arthur is 7 years old. William is 18 years old. How many years older is William than Arthur?

11. Charles paid 12 for paper and 6 for pencils. How much did he pay for paper and pencils? How much more did the paper cost than the pencils?

12. Ellen has 4 pins and needs 11. How many more must she get to make 11?

13. Alfred has 13 marbles. His brother has 6. How many have both? How many less than Alfred has his brother?

14. Richard had 6 peaches. His mother gave him 4 more. He ate 3. How many were left? 15. Walter had $5. His father gives him $4. How many dollars had he after spending $3?

16. Nettie has 5 roses and as many pansies. She loses six of the flowers. How many has she left?

C

Drill Device The Ladder

26. 1. Begin at the bottom; add 2 to each number, as you go up the ladder.

11

8

7

6

9

10

12

13

+2

2. Begin at the top; subtract 2 from each number as you come down.

3. Add 3 as you go up; subtract 3 as you go down.

4. In the same way use 4 and 5. Drill devices like the ladder may be drawn on cardboard or placed upon the blackboard and used for frequent drills. By changing the number to be added or subtracted, the use of the drill may be extended.

Try to reduce the time required in each drill.

This exercise may be used as a game. Each player begins at the bottom of the ladder and subtracts until he misses. The object of the game is to go up and come down without a mistake.

27. Write in figures:

1. Seven, nine, fourteen, sixteen, ten. 2. Nineteen, eighteen, five, six, fifteen.

3. Seventeen, thirteen, eleven, eight, twelve.

6

95 5 1

4 3 8

Drill Device-A Magic Square

31. 1. Copy the three figures in each row of this square. Three rows run up and down, 3 rows run from left to right, 2 rows from corner to What is the sum of every

corner.

row? This is called a magic square.

2. What figures must be put into the four vacant spaces to give a magic square with 18 as the sum of the three numbers in each row?