1. Review the table of 2's to 2 x 10. 5. How many are two 34's? 2× 34¢=? 6. A short process of finding two 34's is as follows: Write the 2 under the right-hand figure of the number to be multiplied, which is 34. 1. Review the table of 3's to 3 x 10. 65 3 195 165 4. Multiply 65 by 3. Ones. 3x5=15. Write 5. Carry or add 1 to the tens. Tens. 3×6=18; 18+ 1 (carried) = 19. Write 19. The answer is 195. Think: 3 x 5 = 15; 3 × 6 = 18; 18+1=19. The result, 195, is called the product. 5. Multiply 165 by 3. Ones. 3x5=15. Write 5. Carry 1. 3 Tens. 3×6= 18; 18+1=19. Write 9. Carry 1. Hundreds. 3×1=3; 3+1=4. Write 4. 495 The product is 495. 1×0=0; 2×0=0; 3×0=0. Any number of times 0 = 0. 1. Philip earned $24 a month by helping a farmer. How much did he earn in 2 months? 2. Find the cost of 2 rakes at 80 each. 3. Mary canned 14 jars of peaches. Her mother canned twice as many jars. How many jars did her mother can? 4. Find the cost of 2 pints of molasses at 14 cents a pint. Find the cost of: 5. 2 pieces of soap at 10 cents apiece. 7. 2 dozen buttons at 12 cents a dozen. 8. 2 yards of ribbon at 11 cents a yard. 9. How many inches are there in 3 feet? 10. An automobile ran 21 miles an hour. How far did it go in 3 hours? 11. Harold bought 3 notebooks at 16 cents each. How much did they cost? 12. Andrew sold 3 dozen eggs at 60 cents a dozen. How much did he receive for them? 13. Find the cost of 3 rugs at 24 dollars each. 14. Three girls bought trowels for their gardens. They cost 15 cents each. How much did the 3 trowels cost? 1. How many halves of a circle are there in a circle? 2. How many halves of a square are there in a square? 3. How many halves of a line are there in a line? 4. How many halves are there in a unit or one of anything? 5. How many fourths of a circle are there in a circle? how many fourths of a square in a square? how many fourths of a line in a line? 6. How many fourths are there in a unit or one of anything? 7. How many thirds of a circle are there in a circle? how many thirds of a square in a square? how many thirds of a line in a line? 8. How many thirds are there in a unit or one of anything? 13 113 113 113 Measure carefully with your ruler and draw: 1. An envelope 2 inches wide and 4 inches long. 3. A page 4 inches wide and 6 inches long. 5. A square 4 inches on a side. 6. The top of a square box 5 inches on a side. Let 1 inch stand for 1 foot, and draw figures to represent : 8. A rug 3 feet wide and 8 feet long. NOTE. As 1 inch stands for 1 foot, 3 inches stand for 3 feet, and 8 inches for 8 feet. Draw an oblong 3 inches wide and 8 inches long. 9. A hallway 4 feet wide and 10 feet long. 10. A table cover 4 feet wide by 7 feet long. 11. A window glass 4 feet by 9 feet. 12. A blackboard 3 feet by 6 feet. Let 1 inch stand for 1 yard, and draw figures to represent: 13. A room 4 yards by 6 yards. 14. A porch floor 2 yards wide and 8 yards long. |