Written Problems 173. 1. In 6 months John works 120 days. In 1 month he works of 120 days, or days. 2. How many ink erasers at 6 apiece can be purchased for 66¢? 3. Six windows contain 36 panes of glass. How many panes are there in each window? 4. A street car runs 660 yards in 6 minutes, or yards in 1 minute. 5. In 1 month there are 20 days of school. How many days in 6 months? 6. A man works 24 days each month. In 6 months he works days. 7. A man works 126 days in 6 months. In one month he worked of 126 days, or days. 9 x 2 18 9 x 3=27 9 x 4 =36 10 x 22010 × 3 = 30 10 x 4 = 40 10 x 5 = 50 10 × 6 = 60 8 x 4 = 32 8 x 5 = 40 8 x 648 9 x 545 9 x 6=54 5. In a window there are 8 panes of glass. How many panes are there in 7 windows? 6. A man bought 5 lb. of sugar at 7 a pound. How much did he pay? Make the table of seven, beginning with 7 x 1, Multiplication - Oral Problems 182. 1. How many days in 8 wk.? In 7 wk. ? 2. How many days in 2 wk. of vacation? 3. A fire ladder is made of 7 parts. Each part is 5 ft. long. How long is the ladder? 4. What is the cost of 7 notebooks at 5 each? 5. A workman receives $2 a day. How much does he earn in 5 da.? 6. How much greater is 7 × 8 than 7 × 4? 7. A boy can row a boat 3 mi. an hour. far can he row in 7 hr. at the same rate? How 8. A merchant sold 7 pairs of shoes at $4 a pair. How much did he receive for the shoes ? Division Oral Problems 183. 1. A fruit dealer arranged 35 apples in 5 piles. How many apples in each pile? 2. A line 84 in. long is divided into 7 equal parts. How many inches in each part? 3. How many weeks in 77 days? 4. How much greater is 35÷7 than 14÷7? |