ADDITION AND SUBTRACTION OF NUMBERS, FRACTIONS AND DECIMALS

HELLO, WELCOME BACK TO CLASS

 

  1. Find the number which is:

(i) 53172 more than 64278

(ii) 53172 less than 64278

(iii) 1872 more than 23265

(iv) 1872 less than 23265

 

  1. (i) Which number should be added to 25483 to get the sum of 65785?

(ii) Which number should be subtracted from 52847 to get 22489?

 

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Solve these problems:

(a) ¹/₃ of the school garden has vegetable and another ¹/₃ has flowers. What part of the garden is left to grow grass?

(b) Sam spent ¹/₆ of his Sunday doing homework and ³/₆ of the day watching cricket. What part of the day was left to do other things?

(c) My mother ate ¹/₈ of the cake and my father ³/⁸. How much of the cake has been eaten and how much is left?

(d) Patrick bought ²/₃ of her school books last week. What part is still left to be bought?

(e) Sonia walked ³/₈ of the distance to school and ran ⁵/₈ of the distance. How much more of the distance does she need to cover?

 

Word Problem on decimal fractions

  1. Aaron scored 452.65 marks out of 600 in the final examination. How many marks did he lose?
  2. Amy had 0.87 litre of cold drink. Flora had 0.92 litres more cold drink. How much cold drink did Manu have?
  3. The weight of a baby elephant was 218.99 kg. After two years, his weight increased by 109.85 kg. Find the weight of elephant after two years.
  4. Kathi had a rope of 63.45 m. She cut the rope into two pieces. If the length of one piece was 23.59 m, what was the length of the other piece?
  5. Each side of a regular polygon is 5.2 m and its perimeter is 36.4 m. Find the number of sides of the polygon.
  6. Trisha took 3.25 minutes to complete the race and Rachel took 3.207 minutes to complete the race. Who won the race?
  7. The annual rainfall received by Arunachal Pradesh is 278.2 cm and that by Assam is 281.8 cm. Who received less rainfall?
  8. Sharon’s height is 145.62 cm. She stands on a tool of height 10.50 cm. What is the combined height now?
  9. The milkman delivers 5.02 liter of milk to a house in the morning and 2.120 liter in the evening. What is the total quantity of milk delivered by the milkman?
  10. Rebecca ‘s kite is flying at a height of 17.2 m and Shelly’s at a height of 21.5 m from the ground. Whose kite is flying high and by how much?

 

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