21. James picked 19 qt. of berries in the forenoon and 23 qt. in the afternoon. How many quarts did he pick?

22. A farmer sold 16 qt. of cherries at 6¢ a quart. How much did he receive?

23. If a man works 8 hr. a day, how many hours does he work in 6 days? In 12 days?

24. A man buys 2 lb. of beefsteak at 22 a pound and gives the butcher $1. How much change will he receive?

25. Trees are planted in a row 25 feet apart. A boy starts from a certain tree and passes 9 others. How far has he walked?

236. 1. How many units, or ones, make one ten ?

2. How many tens make one hundred ?

3. How many hundreds make one thousand? 4. How many thousands make ten thousand? 5. What number is one more than 9?

6. What number is one more than 99 ?

7. What number is one more than 999 ?

238. Point out on the chart the columns in which to write the digits of the following numbers:

5. 275,000 6. 900,001 7. 290,092 8. 459,023 9. 550,975 10. 654,321 11. 543,216 12. 432,165

Read the numbers.

What is the largest digit that may be written in a column?

Exercise

239. Draw a chart showing the columns in the orders of ones and thousands.

On the chart write the following numbers, filling in the vacant places in the number with ciphers. 1. 4 in hundred-thousands, 5 in hundreds, 3 in

ones.

2. 6 in hundred-thousands, 7 in ten-thousands, 4 in tens.

3. 9 in hundred-thousands, 4 in thousands, 3 in hundreds.

4. 7 in ten thousands, 8 in tens, 5 in ones. 5. 5 in ten-thousands, 9 in ones.

Read the numbers. Illustrate as far as possible with bundles of splints.

Exercise

240. Draw a chart similar to the chart in Art. 238. Write the following numbers, filling in vacant places with ciphers. Read the numbers.

1. 9 in tens column.

2. 7 in ten-thousands column.

3. 5 in hundred-thousands column.

4. 3 in tens column.

5. 6 in ten-thousands column.

6. 8 in hundred-thousands column.

In reading large numbers it is convenient to separate the digits of whole numbers, from right to left, into groups of three figures. These groups are called periods. Point out the periods in the numbers in this exercise.

Written Exercise

242. Write in figures:

1. Five thousand sixty.

2. Eight thousand five hundred.

3. Six hundred ninety.

4. Two thousand one.

5. One thousand fifty-five.

6. Five hundred thousand five hundred.

7. Six thousand two hundred eighty-four.

8. Ninety-six thousand eight hundred forty

seven.

9. Forty thousand one hundred seventy-four. 10. Three hundred thirty-one thousand. 11. Five hundred thousand three hundred. 12. One hundred seventy-six thousand.