Reading and Writing Thousands

STUDY

(a) Count from 989 to 999.

The next number after 999 is 1000; we read this one thousand.

(b) 1001 is read one thousand one.

Read: 1002, 1003, 1007, 1008, 1009.
(c) 1010 is read one thousand ten.

Read: 1011, 1017, 1020, 1030, 1075, 1099.
(d) 1101 is read one thousand one hundred one.
Read: 1100, 1106, 1120, 1201, 1275, 2605.

(e) Read, then write as the teacher reads:

1. Four thousand three. 4. Nine hundred eleven.

2. Three thousand four. 5. Four hundred one.

3. Seven thousand ten. 6. Nine thousand twelve. 7. Six thousand twenty.

8. Eight thousand eighty.

9. Eight thousand five hundred seventy.

10. One thousand four hundred seven.

11. Seven thousand six hundred forty-six.

751

959

Addition: Three-Figure Numbers

178

632

424

756

3700 Sum

Add 751, 959, 178, 632, 424, and 756.
Add the right-hand column first, starting

at the bottom. The sum of this column
is 30. Write the cipher (0), and carry
the 3 to the next column.

The sum of the next column is 30. Write 0, carry 3.

The sum of the last column is 37. Write 37.

13. 547 14. 875 15. 478 16. 194 17. 246 18. 300

Everyday Use of Addition

1. Jack is 6 years old. How old will he be in 4 years?

2. Charles had 7 pigeons and 3 more came to his pigeon house last night. How many has he?

3. If Mary has 32 cents, and her mother gives her 8 cents for running errands, how much money will she have?

4. Tom's top cost 5 cents and his ball cost 25 cents. How much did both cost?

5. Frank earned 35 cents for weeding the garden, and 5 cents for carrying in wood. He earned- -cents.

6. Mary found 11 eggs this morning and 9 eggs tonight. How many eggs did she find today?

7. Fred earned 6 cents one day, 4 cents the next day, 2 cents the next day, and 8 cents the next. How much did he earn in the four days?

8. Dan found 3 apples under one tree, 7 apples under another tree, 5 under another, and 5 under another. How many apples did he find in all?

9. In a baseball game one side made 12 runs and the other side made 8 runs.

in the game?

How many runs were made

10. In a game of bean bags, Paul scored these points: 5, 7, 3, 6, 4. How many points did he score in all? David scored these points: 6, 5, 5, 2, 8. How many points did David score in all? Which boy won?

(c) The sign + is called the plus sign. It means

add.

(d) Add 2, 9, 9, 2, and 8.

2

9

28

9

19

888

Start adding at the bottom. Think: 10,
19, 28, 30. The sum is 30.
In adding if you find it hard to
remember the partial sums,
write them at the side as
shown in the example at the
right. Do this only with
long difficult sums.

201