SUBTRACTION 1. James had 48 cents. He spent 25 cents. How many cents had he then ? Write ones under ones and tens under 48 cents 25 cents tens. 8 ones - 5 ones = 3 ones. 23 cents 2 tens. Test. Write the three ones in ones' place. 4tens-2 tens= Only like numbers can be subtracted. 8. Make and solve 50 examples like the above. PRACTICAL PROBLEMS 1. Arthur is 14 years old and Alfred is 12 years younger. How old is Alfred ? 2. Ruth spent 30 cents for fruit. She gave the clerk half a dollar. How much change should she receive? 3. A boy sold 43 newspapers one day, and 67 the next day. How many more did he sell the second day than the first day? 4. A boy lives 68 miles from Cincinnati and has traveled 24 miles toward that city. How many miles has he yet to travel? 5. Roy had 78 marbles and Ben had 56. How many more marbles did Roy have than Ben? 6. Ethel had 78 shells, but 36 were broken. How many whole shells did she have? 7. Mr. Burton's farm contains 76 acres of land, which is 14 acres more than his neighbor's farm contains. How many acres are there in his neighbor's farm? 8. James rode 27 miles in an automobile one day and 14 miles the next day. How much farther did he ride the first day than the second? 10. There were 34 children in Miss Bell's class. How many of them were absent, if only 22 were present? |