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107. Divide group a into two equal parts; group b into three equal parts; group c into six equal parts. Let each dot represent a pupil.

pupils are 1 of 6 pupils. - pupils are of 6 pupils.

- pupil is t of 6 pupils. 4. Six pupils are — times 3 pupils. 5. Six pupils are — times 2 pupils.

. 6. How many 2 pupils are there in 6 pupils ? 7. How many 3 pupils are there in 6 pupils ? 8. Six pupils are how many times 2 pupils ? 9. Six pupils are how many times 3 pupils ? 10. One half of 6 pupils is - more pupil than one third of 6 pupils. 11. The ratio of 3 pupils to 6 pupils is ;

of 2 pupils to 6 pupils is

12. The ratio of 6 pupils to 3 pupils is —; of 6 pupils to 2 pupils is —; of 6 pupils to one pupil is —

13. The difference between of 6 pupils and } of 6 pupils is - pupil.

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2. Give a number story suggested by each. 3. What is the sum of 9 and 8?

4. What is the sum of two 8's ?

5. A boy has 9 marbles in one pocket, and 6 in the other. How many marbles has he in both pockets?

6. Seventeen is more than 8.
7. Two 8's are 16. One half of 16 is —
8. What is the ratio of 16 to 8? Of 8 to 16 ?

9. Fred has 6 pigeons. Walter has 5 pigeons more than Fred. How many pigeons has Walter ?

10. A piece 5 ft. long was sawed from a board 11 ft. long. How long was the part that remained ?

11. A post 8 ft. long is 1 ft. below ground. How long is the part above ground ?

12. A boy delivers 6 quarts of milk each morning and 5 quarts each evening. How many quarts does he deliver each day?

13. From a board 16 ft. long a piece 8 ft. long is cut. How long is the part remaining ?

a

1st BK TRITII -- 7

110. Study Exercises.
Study as indicated in Steps A and B, pp. 48, 49.
8
9
6
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9
8
6
5
1

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TO THE TEACHER. Dictate for oral addition the combinations studied in the above exercises. See p. 49.

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111. Oral Exercises.
Add each column as indicated in Step C, p. 49.
b
d
f 9
h

j k 2
9 1 6 6 5 6 1 8 9 8 9 9 9
7 9 9 9 8 9 9 1 7 7 8 1 1
6 7 8 8 7 8 7 9 5 1 9 9
9 6 1 7 6 1 5 7 1 8 9 1 1
8 9 9 5 6 8

6 6 7 0 9 6 8 6 8 6 9 9 8

9 1 8 8 9

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112. Write in a column and add:
1. $38.67, $.88, $67.46, $.89, $69.34.
2. $85.89, $.70, $8.05, $67.96, $9.77.

113. Write and solve:
1. $ 24.93 - $8.15.
2. $ 104.50 – $7.15.
3. $70.42 - $5.79.

4. $30.00 - $6.44.
5. $90 – $17.50.
6. $85.46 – $18.

SUBTRACTION – LESSON G 114. 1. Memorize the following : 15 11 17 8 16 15 11 - 6 - 5 - 8 - 7 -8 - 9 9 6 9 1 8 6 5

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2. Give a number story suggested by each.

3. A man earns $15 a week and spends $6 a week. He saves $ each week.

4. A post 11 feet long stands in a hole 5 feet deep. How much of the post is above ground ?

5. A milkman sold 8 quarts of milk from a can containing 17 quarts. How many quarts remained in the can?

6. A grocer sold 15 lb. of sugar in two packages. If one of the packages weighed 9 lb., how much did the other weigh ?

7. Mary is 8 years old and her sister is 17 years old. Mary is

years younger than her sister. 8. Ethel went to visit Lottie on the ninth of June and stayed until the fifteenth of June. How long was her visit?

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Study the above until you can give the results without hesitation.

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2. 1715

5365 9537 9608 7474 - 849 - 1578 - 2769 - 6809 – 1837

1423 - 348

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118. Show by addition and multiplication: 1. The sum of two 5's; of four 3's; of three 4's. 2. The sum of five 2's ; of two 6's; of six 2’s.

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