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2150                                                                 ARITHMETIC

1.   Place in center square any one of the nine digits. Have children add this digit to, or subtract it from the number to which the teacher may point.

2.   Place in center square $1 or $2 and have pupils give change. Drill in Addition and Subtraction.

78—3—4—5—7—9—3—5—2—7—5=: 96—£—2—3—8—7—6—4—9—2—4=: 87—6—5—9—3—1—7—3—4—5—7=: 79—3—8—7—6—9—4—6—5—2—3= 85—2—5—6—5—7—7—3—2—4—6=: 99—4—6—8—7—5—3—1—4—8—9=: 73—4—5—2—3—4—1—7—2—3—6=: 82—5—6—3—7—9—3—4—6—4—7=: 93—6—5—2—9—8—7—4—3—5—8=: 89—4—3—6—7—8—5—2—4—7—6=:

Perform the subtractions indicated in the horizontal rows.

Add the vertical columns and perform the subtractions indicated.

EXERCISE 4.

1.   Mr. Johnson owed $75.25, $42.75, and $375.50. He paid $316.35. How much did he still owe ?

2.   A house that cost $7875 was sold for $9050. What was the gain?

3.   I bought a farm for $8650, and sold it for $7825. How much did I lose?

4.   A man was born in 1865 and died in 1911. How old was he when he died?

5.   I bought a horse for $225, and a carriage for $170. I sold both for $425. Did I gain or lose, and how much?

6.   Mr. Wilson bought a lot of land for $1250. He built a house on it for $7650, and a stable that cost $1575. He paid $115 insurance on it and $95 for taxes. He sold it so as to gain $1275. What did he get for it?

7.   Had he sold it for $12,875, how much would he have made ?

8.   A  business  man  deposits in  a  bank  for  a week,  $425,  $284, $425.75, $865.72, $470, $294. He gives checks for $125, $324.80, $215 and $565.82. Find the balance in the bank.