THOUSANDS Ten hundred are one thousand, written 1000. The fourth figure from the right stands for thousands. 1. Count by thousands and write, filling the blanks: 1 thousand, 1000. 4 thousand, 2 thousand, 2000. 5 thousand, 3 thousand,. 6 thousand, 7 thousand, 8 thousand, 9 thousand, 2. Name and write the numbers in order from 1000 to 1010: thus, "one thousand one," 1001; "one thousand two," 1002; and so on. 3. Count and write ten numbers in order from 1010. Name and write ten numbers in order beginning with: What does 9 mean when it stands in thousands' place? in hundreds' place? in tens' place? in units' place? Tell what each figure means in these numbers: Written Exercises Write these numbers with figures: 1. Eight hundred three. 2. Seven thousand four. 3. One thousand ninety. 5. Five thousand two hundred. 8. Two thousand one hundred fifteen. TEN-THOUSANDS AND HUNDRED THOUSANDS 1. Count (and write the numbers) by thousands from 1 thousand to 10 thousand, 10,000. 2. Count (and write the numbers) by 10's to 100. 3. Count by 10 thousands and write, filling the blanks: In writing numbers as large as these, we put a comma between hundreds' place and thousands' place. 11. Count and write the thousands in order from 98 thousand (98,000) to 108 thousand (108,000). 12. Read: 125,000 570,000 80,000 999,000 278,000 Write in figures: 13. Four hundred thousand; one hundred fifty thousand. 14. Nine hundred thousand; six hundred seven thousand. 15. Five hundred thousand; eight hundred ten thousand. 16. Two hundred thousand; three hundred twelve thousand. Count and write the numbers in order from: 17. 40 thousand 5 (40,005) to 40 thousand 15. 21. 24,635 23. 85,306 25. 423,532 27. 240,605 22. 50,028 24. 66,004 26. 708,029 28. 999,999 Write in figures : 29. Twenty-one thousand, five hundred fourteen. 30. Forty-six thousand, seven hundred eighty-three. 31. Six hundred seventy-two thousand, one hundred. MILLIONS The next number of thousands after 999 thousand is 1000 thousand, called one million, 1,000,000. We write any number of millions up to 999 million just as we write any number of thousands up to 999 thousand or any number of units up to 999 units, the millions' group being written at the left of the thousands' group and separated from it by a comma, thus: 3. 2,463,941 4. 9,207,008 Write in figures : 13. Nine million. 14. Four million. 15. Sixty million. 11. 897,279,505 12. 400,030,648 16. Eighty-three million. 19. 1 million, 478 thousand, 677. 21. 984 million, 71 thousand, 250. 22. Two hundred thirty-four million, seven thousand. 23. Nine hundred one million, forty-two thousand, fifty. 24. Six hundred six million, six hundred thousand, six. In addition, ADDITION The numbers added are addends. The result found by adding is the sum. The sign is the sign of addition. It is read and or plus. is the sign of equality. It is read are or equal (sometimes is or equals). Oral Exercises Following are the forty-five addition combinations. Tell sums instantly by rows; then by columns: |