21. Teddy has 9 rows of soldiers, with 37

10. What is the last digit in each product? 11. Give an easy way to find the product.

208. Memorize the table:

etc.

Make the table of ten, beginning 10 x 1, 10 x 2.

8. Give an easy way to find the quotient.

To find one tenth of a number, divide the number

by ten.

Oral Exercises-Money

212. 1. How many cents in 5 dimes?
2. How many cents in 10 dimes?
3. How many dimes in 40?
4. How many dimes in 60?
5. How many dimes in $1.00?
6. What part of $1.00 is 1 dime?
7. What part of 50 is 1 dime?
8. What part of 50% is 5?

9. How many 5-cent pieces in 25¢?

10. What part of 25¢ is 5¢ ?

213. 1. A boy bought 50 two-cent stamps. If he paid for them in dimes how many coins did he

2. A package of grass seed is sold for 10. If 9 packages cost the dealer 50%, what is his profit on the 9 packages?

3. A pound of candy costs 50. How many dimes will pay for 2 lb. ?

4. Harry has in his bank 1 half dollar, 2 quarters, 5 dimes, and 2 nickels. How much money has Harry in the bank?

5. James' bank has in it 1 dollar, 3 dimes, 3 nickels. How much money has James in the bank? 6. George bought 10 quarts of berries at 6 a

quart. He sold them for 9 a quart. How much did he gain on one quart? On 9 qt.?

7. 20 dimes are equal to how many dollars? 8. Henry blacked boots in a hotel at 10¢ a pair. How much did he receive from 13 customers?

9. How many cents in 1 dime? How many cents in $1?

10. How many dimes in $1?

Oral Exercises

214. 1. Answer rapidly: 2 × 10, 5 × 10, 6 × 10. 2. What is the last figure in each product?

3. What figure must be written after 7, to get the product 7 × 10?

To multiply by 10, annex a 0 to the whole number. 4. Answer rapidly 10)80, 10)70.

K

5. Explain an easy method of dividing a number that ends in 0 by 10.

To divide by 10 a number ending in 0, cancel the O at the end.

216. Tell the multiplier and multiplicand that

will give each of these products.