6. I am a little line. When you see me between two numbers, you subtract the smaller number from the larger one. Can you name me? written in a column? 9. How many figures are there in 64? 10. A number is smaller than 9. It is larger than 7. It is the difference of 10 and 2. What is it? 11. When we see + between two numbers, we......... them. 12. When we see between two numbers, we........ them. 13. The sum is the answer in. 14. The difference is the answer in 15. When numbers are written like this, → we...... them. 16. When numbers are written like this, → we... them. 59. Neatness in Written Work. (ORAL AND WRITTEN WORK.) When you do arithmetic work on paper, you must be careful to make your work neat. A STANDARDS OF WRITTEN WORK 73 third-grade class took a little written test one day, but some of the pupils didn't do very neat work. Here are three of the papers: 1. Which paper do you like best? 2. Write the test yourself and see if you can make your work look as neat as Edith's. 60. Mixed Review. (WRITTEN WORK.) Find the answers to these examples and problems. Number each one as you work. Copy the examples if you need to, but wherever you can, write only the answers. Be sure to do neat work. 10. Add twenty and thirty-four and five. 11. Subtract 14 cents from 39 cents. 12. 14-5=? 13. A top cost 5 cents, and a toy windmill cost 19 cents. What was the difference in the cost of these two toys? 14. 5+33+41=? 15. 9-0=? 61. Problems in Addition and Subtraction. (WRITTEN WORK.) Read every problem carefully. 1. A fourth-grade class in Washington School had 16 boys. The nine best ball-players were chosen for the class ball team. The other boys were to be a second team. How many boys were on the second team? 2. The class team played the first game against Field School. The score was 4 to 2 in favor of Field, when Ted, on the Washington team, hit a "homer," making 3 more runs. Which team was ahead then? 3. Washington School won with a score of 11 to 6. How many more runs did they have than Field? 4. Two boys of Washington School were hurt, and so boys from the second team took their places. How many different boys from Washington School played in the game? 5. The children from the third and fourth grades went on a picnic. There were 22 children from the third grade and 31 children from the fourth grade. How many children were there at the picnic? 6. Two teachers, the principal, and three mothers went to the picnic, too. How many persons were at the picnic? 7. There were 13 boys from the third grade and 16 boys from the fourth grade. How many boys were there at the picnic? SUMMARY 62. General Review. (WRITTEN WORK.) Show that you know what you have studied by getting the correct answers to the following questions and examples. 1. Add 15 and 23. 2. Write the sign that means subtract. 3. What is the difference of 68¢ and 25¢? 4. Find the sum of 34 and 53. 5. Take thirteen away from the answer to Example 4. 6. What number belongs where the dots are in this example: 9=9? 7. Is 16 less than 14? 8. Does 8+9 equal 9+6? 9. Write a two-figure number. |