Class 4 Multiplication

Transcription

1 ID : in-4-multiplication [1] Class 4 Multiplication For more such worksheets visit Answer t he quest ions (1) Ria celebrated her birthday with 13 of her f riends. If she and each of her f riends ate 2 slices of pizza, how many slices did Ria order? (2) How many minutes are there in 4 days? (3) Solve the f ollowing A) 8080 X ( ) 1889 X ( ) (4) Find the product of f ollowing A) three thousand eight hundred f if teen by six hundred ninety-f our six thousand seven hundred f ourteen by two hundred ninety-three (5) If a train travels 423 Km in one hour, how f ar will it go in one day? Choose correct answer(s) f rom given choice (6) Kareem ordered 7 salads, 4 sandwiches, 6 pizzas and 5 f ries. If the cost of salads, sandwiches, pizzas and f ries is Rs.22, Rs.10, Rs.27 and Rs.29 respectively, f ind the total amount Kareem paid to the shopkeeper. a. Rs.522 b. Rs.501 c. Rs.481 d. Rs.486 (7) Which number sentence represents f ollowing arrangement of televisions? a = 8 b. 4 X 4 = 16 c = 12 (8) In a hotel, there are 51 rooms. If the rent f or one night of each room is Rs. 2478, what would be the daily income of the hotel f rom the room rent if all the rooms are occupied? a. Rs b. Rs c. Rs d. Rs

2 (9) Sanjana arranged her toy bulbs in 4 rows with 10 bulbs in each row as shown below bulbs ID : in-4-multiplication [2] Which expression can be used to f ind the total number of toy bulbs a b c d. 4 x 10 Fill in the blanks (10) Solve the f ollowing: A) 5 X 9 = 7 X 2 = C) 7 X 4 = D) 3 X 7 = E) 7 X 2 = F) 4 X 8 = (11) An athlete eats 2 dozen pears in a day. The number of pears he will eat in the month of September is. (12) Fill in the blanks A) 797 X = 459 X 30 = C) 119 X = D) 960 X 10 = E) 808 X 1 = F) 870 X 5 = (13) Joel bought 9 pens and 3 dolls f rom the market. If the price of each pen and doll is Rs. 11 and Rs. 14 respectively, the money Joel paid f or the pens is Rs.. (14) Sarika earns Rs every month. She will earn a total of Rs. in 4 years time. (15) Fill in the blanks A) 77 X ( 30+6 ) = 34 X ( 50+1 ) =

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4 Answers ID : in-4-multiplication [4] (1) 28 Total number of people who ate pizza slices = Number of Ria's f riends + 1 (Ria herself ). = = 14. Total number of slices eaten by each person = 2. Total number of slices eaten by Ria and her f riends = Total number of people Total number of slices eaten by each person. = 14 2 = 28 This means, Ria had ordered 28 slices. (2) 5760 Let us f irst f ind the number of minutes in one day. We know that there are 60 minutes in one hour and there are 24 hours in one day. The number of minutes in one day = The number of minutes in one hour The number of hours in one day = minutes = 1440 minutes. We now know the number of minutes in one day (1440 minutes). Let us now f ind the number of minutes in 4 days. Step 5 The number of minutes in 4 days = The number of minutes in one day The number of days = = 5760 minutes. (3) A) (4) A) two million six hundred f orty-seven thousand six hundred ten one million nine hundred sixty-seven thousand two hundred two

5 (5) Km. ID : in-4-multiplication [5] The train travels 423 Km in one hour. This means, the train will travel 24 times 423 Km in one day, because we have 24 hours in a day. This means, the train will travel Km = Kms in a day. (6) b. Rs.501 Kareem ordered 7 salads f or Rs.22 each. Total money he paid f or salads = Cost of one salad Number of salads he ordered = Rs.22 7 = Rs.154 Kareem ordered 4 sandwiches f or Rs.10 each. Total money he paid f or sandwiches = Cost of one sandwich Number of sandwiches he ordered = Rs.10 4 = Rs.40 Kareem ordered 6 pizzas f or Rs.27 each. Total money he paid f or pizzas = Cost of one pizza Number of pizzas he ordered = Rs.27 6 = Rs.162 Kareem ordered 5 f ries f or Rs.29 each. Total money he paid f or f ries = Cost of one f ry Number of f ries he ordered = Rs.29 5 = Rs.145 Step 5 The total amount Kareem paid to the shopkeeper = The amount he paid f or salads + The amount he paid f or sandwiches + The amount he paid f or pizzas + The amount he paid f or f ries = = 501

6 (7) b. 4 X 4 = 16 ID : in-4-multiplication [6] We have been asked to f ind the number sentence that represents the f ollowing arrangement of televisions: If we look at the arrangement there are 4 rows and 4 columns, If we multiply the number of rows with the number of columns, then we can easily get the total number of televisions. That is, total number of televisions = Number of columns Number of rows = 4 4 = 16 Thus the number sentence that represents the given arrangement is 4 X 4 = 16 (8) d. Rs Rent f or one room is Rs Rent f or 51 rooms would be 51 times 2478, that is, = Rs (9) d. 4 x 10 If we multiply the number of bulbs in each row with the total number of rows, we can get the total number of bulbs. Number of bulbs = Number of rows bulbs in each row = 4 10 = 40 Here, the expression used to f ind the total number of bulbs is multiplication, that is, 4 10.

7 (10) A) 45 ID : in-4-multiplication [7] 14 C) 28 D) 21 E) 14 F) 32 (11) 720 One dozen pears means 12 pears. The athlete easts 2 dozen pears in a day. This mean the number of pears he eats in a day = 12 2 = 24 pears. We know that there are 30 days in the month of September. The number of pears the athlete will eat in the month of September = The number of pears he eats in one day The number of days in the month of September = = 720 pears. (12) A) C) D) E) F)

8 (13) 99 ID : in-4-multiplication [8] The cost of each pen is Rs. 11. This means, the money Joel paid f or 9 pens is 9 Rs. 11 = Rs. 99. (14) One year has 12 months. This means, 4 years have 4 times 12 months = 4 12 months = 48 months. The amount of money Sarika will earn in 4 years = Amount of money she will earn in 48 months = Amount of money Sarika earns in one month 48 = Rs = Rs (15) A)