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

Give the products in the above exercises from right to left, adding 1, 2, and 3 to each product, thus : 15, 16; 12, 13; 12, 13; etc.

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121. Written Exercises.

MODEL for Exercise a: 465 Carry in multi

2 plication as in ad930 dition.

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DIVISION - LESSON B

123. 1. Count by 3's to 18; by 2's to 24 ; by 4's to 20; by 5's to 30.

2. Arrange 6 books to show that 2 books are } of 6 books.

3. One third of 6 books is books. Two thirds of 6 books are — books.

4. Draw oblongs to represent 9 books. One third of 9 books is books. Two thirds of 9 books are

books. 5. Show 4 of 12 squares.

Show of 12 squares. 6. Three fourths of 12 squares are squares. 7. Show 1 of 12 circles. Show 1 of 12 circles.

124. Read and memorize :

4 3 3 5 2 5 6 2 3)12 5)15 4)12 3)15 6)12 2)10 2012 5)10

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125. Oral Exercises.
Add as indicated in Step C, p.

49.
b
d
f 9

j
3 6 4 5 4 7 3 9 7 5
7 8 7 6 6 6 8 7 8
9 7 9 8 2 8 2 8 2 6
7 8 8 5 3 7 7 9 5 9
5 6 3 6 8 9 4 7 6 9
7 5 6 8 9 7 6 4 8 7
9 8 7 9 6 2 8 9 4 5

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4
8
9
7

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9 6 7 6 9

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8

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9
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9
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9

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126. Study Exercises. 3)12 5)15 4)12 3)15 6)12 2,10 2,12 510

)

) Study the above until you can give the quotients without hesitation.

1. 2012 This means : How many 2's are there in 12? Or, What is į of 12? The answer is

2. 2)$12 This means: What is of $12? The answer is

3. $2)$12 This means: How many $ 2 are there in $12? The answer is

127. Read and find quotients:

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1. 2)2648 4)8048 4)1248 2)1046 $3)$ 1296 2. 6)1206 5)1050

5)1050 5)1005 4)1208 · 3)6012 ft.

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130. Show the truth of each statement by folding or cutting paper.

1. of a pie is more than f of a pie.
2. ß of a pie is less than 1 of a pie.
3. } of a pie +ă of a pie is the same as I of a pie.
4. I of a pie + j of a pie is more than 1 of a pie.

5. Žof a pie + d of a pie is į of a pie less than a whole pie.

6. § of a pie + 1 of a pie is į of a pie more than a whole pie. 7. I of a pie +} of a pie is į of a pie less than a

4 whole pie.

8. { of a pie is $ of a pie less than of a pie.

9. 3 of a pie + of a pie is of a pie more than 1 of a pie.

10. If we cut 4 of a pie from of a pie, there will remain } of a pie.

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ADDITION - LESSON H

132. 1. Memorize the following:
1
5
7

2
8
9
4

1
9
14
11

3

8

3 11

2. Give a number story suggested by each.

3. What two combinations in this lesson give 11 as a sum ?

4. What must be added to $5 to make $14 ? 5. Name another combination whose sumn is 14. 6. The sum of 9 and 9 is 18; of 9 and 8 is 17; of

; 9 and 7 is 16. When a number is added to 9,

the sum ends in a figure one less than that added to 9.

7. A girl has 4 books of poems and 7 story books. How many books has she in all ?

The sign

133. Oral Exercises.

between two quantities shows that they are equal in amount.

4+5=9. This means that the sum of 4 and 5 is equal to 9. 4+5+6+3. This means that the sum of 4 and

= 5 is equal to the sum of 6 and 3.

134. Supply the number that should stand in place

of 2.

1. 7+4= 3+x.
2. 9 +5=8+x.

3. 9+7=8+x.
4. 6.+5= 4+x.

5. 7+8= 6+x.
6. 5+9= 7+x.

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