1. Carrie read 4 pages in her new book, one day, and 6 pages the next; how many pages did she read both days?!) 2. George's dog Dick caught 5 ground squirrels, 4 red ones, and 3 gray ones; how many did he catch in all?/ 3. Carrie's cat caught 7 mice one day, and 4 the next, and 2 the next; how many mice did she catch in three days?/ 4. Joseph had 7 rabbits, and his uncle gave him 4 more; how many had he then ? 5. Henry gave his sister Allie 5 pears, and his sister Nellie 4, and kept 6 himself; how many had he in all? 6. Clinton paid 3 cents for an orange, 8 cents for a pencil, and 5 cents for some . LESSON XXI. The following are all the combinations that can be made, with the nine figures, except with the unit 1. The pupil should be required to commit these thoroughly to memory, which will very much facilitate the adding of long columns, and of large amounts with ease and correctness. Let the above combinations all be learned in the reversed order; thus, 6 and 8 are 14; 8 and 6 are 14, &c. The whole comprising 24 triplets, Direct the attention of the pupil to the fact, that the same figures when added, always give the same unit figure in the result. That is 3 and 5 are 8; 3 and 25 are 28; 3 and 45 are 48, &c. If in adding any of the higher numbers he hesitates, he should be referred to the primary sum of those numbers. Thus, if the pupil hesitates on 68 and 5, he should be asked: "What do 8 and 5 always give?" (Ans. 3.) Then 68 and 5 must give the next three above 68, that is 73. In adding, learn to pronounce the partial results without naming the figures separately. Thus, instead of saying 5 and 4 are 9, and 3 are 12, and 6 are 18, &c., simply utter the results, 9, 12, 18, &c. Observe the same practice in subtraction and multiplication. 564789 3533142 column." Place an example upon the blackboard, as the following. Call upon some pupil to commence, who 267189 485736 will begin with the right hand column and say, 918753 "9, 17, 24, 27, 33, 42, write the 2 under the 592847 column added, and carry the 4 to the next 703928 The next pupil will without any delay take up the process, beginning with the 4 to carry, and say, "4, 12, 14, 18, 23, 26, 34, write the 4 under the column added and carry 3." So in quick succession let each column be added upwards, then downwards, then from right to left, and from left to right, until the whole class have been exercised upon it. Very young children may easily be taught, in this way, to add long columns of figures with astonishing LESSON XXII. In the following table the single figures are combined in pairs, which will also help the learner to add with facility. 1. Name all the coupling figures that make 4. 2. Name all the coupling figures that make 5. 3. Name all the coupling figures that make 6. 4. Name all the coupling figures that make 7. 5. Name all the coupling figures that make 8. 6 Name all the coupling figures that make 9. 7. Name all the coupling figures that make 10. 8. Name all the coupling figures that make 11. 9. Name all the coupling figures that make 12. 10. Name all the coupling figures that make 13. LESSON XXIII. 1. What does SUBTRACTION teach? ANS. Subtraction teaches the process of finding the difference between two numbers. 2. What is the larger number called? ANS. The Minuend. 3. What is the smaller number called? ANS. The Subtrahend. 4. What is the result or answer called? ANS. The Difference, or Remainder. 5. Of 3 pinks growing on one stem, only 1 was unbroken; how many were broken? 1 from 3 leaves how many? www 6. One of these 4 Ochickens has a worm; how many are running after it? 1 from 1 leaves 0 1 from 2 leaves 1 1 from 3 leaves 2 1 from 4 leaves 3 1 from 5 leaves 4 1 from 6 leaves 5 1 from 7 leaves 6 1 from 8 leaves 7 1 from 9 leaves 8 TABLE. ? 1 from 2 leaves how many? |