PRIMARY BOOK PART ONE INTRODUCTION Exercise in Counting 1. 1. Point to one block. Two blocks. Three blocks. Four blocks. Five blocks. 2. Count six desks. Count seven pupils. Count the letters in the word children, in the word exercises. 4. Show by splints how many things in 1. In 2. In 3. In 4. In 5. In 6. In 7. In 8. In 9. 5. Write the names of each of the nine figures. ADDITION AND SUBTRACTION Oral Problems 2. 1. How many balls are 2. and 000 and 3. How many apples are 0000 and ? are how many balls? ? 4. How many marbles are 6 marbles and 3 marbles? 5. How many cents are 2 cents and 3 cents? 6. How many cherries are 5 cherries and 2 cherries? 7. John has 3 apples and gives away 2. many apples has he left? How 8. Mary has 5 pears and gives 1 to Emma. How many pears has Mary left? 9. How many more books are 4 books than 2 books? 10. James had 5 marbles and lost 1. How many marbles has he left? 11. Make five problems. Give the answers. 2 6. Take away the lower figure from the upper: 1. 4 2. 5 3. 7 4. 8 431 773 5. 6 6. 4 7. 8 21 NOTE. If subtraction has not been previously taught, the Austrian Method may be used. This method consists in finding the number that must be added to the subtrahend in order to make the minuend. According to this method, 15 8 is solved as follows: 8 and 7 make 15. If subtraction has that method should 8 from 15 are 7. Write the 7 in the column of ones. been previously taught by the older method, be continued, thus: Write the 7 in the column of ones. Comparisons - Oral 7. 1. Line A is 1 inch long. How long is B? How long is C? A B с D 2. How many lines the length of A will make a line the length of C? 3. Are two lines the length of B more than D or less? 4. Are A and B together equal to C? 5. Are A and C together more than D or less? READING AND WRITING NUMBERS TO 20 8. 1. How many splints are there in Ten is written 10. 2. How many splints in 3. How many splints are ten splints and one splint? Eleven is written 11. |