Page 118 - Start Up Mathematics_5

III. Short and long answer questions.

1. Write the given numbers in expanded form. Also write their number names.
(a) 9,84,217 (b) 74,532,019

2. Arrange in ascending order.
7 2 15 18 11 6
;
;
;
(a) 6,41,210; 6,14,120; 5,82,075; 6,00,356 (b) 19 19 19 19 19 19
;
;
1 3 1 5 7 3
(c) ; ; ; ; ; (d) 3.04; 3.014; 2.98; 2.089; 3.004
2 4 4 8 8 8
3. Do as directed.
(a) 46,928 + 2,00,145 + 3,61,089 (b) 72,518,002 – 9,897,664
(c) 1,786 × 324 (d) 28,974 ÷ 22
4. Simplify:
8 11 15 9 7 64 48 18 7 5
(a) + – (b) × × (c) ÷ (d) 6 – 1 – 2
21 7 21 14 36 15 39 52 8 6
5. Find the missing digits.
(a) TL L TTh Th H T O
3 ? 1 ? 4 3 0

? 4 9 2 8 1 ?
+ 4 7 6 8 ? ? 1

9 4 ? 8 6 7 0

(b) C TL L TTh Th H T O
8 ? 2 ? 0 ? 4 ?

– ? 9 ? 7 8 2 ? 6
4 7 5 2 ? 8 4 7

6. Divide and check your answer: (a) 7,46,823 ÷ 31 (b) 9,02,476 ÷ 52
7. Draw a factor tree for the following numbers.

(a) 28 (b) 72 (c) 105
8. The LCM of 25 and 65 is 325. Find their HCF.
9. 220 red, 240 blue and 300 yellow pens are equally distributed among some
students so that no pen is left. What is the biggest possible number of students
who got the pens?
1 2
10. Shikha ate of the chocolate while her sister Poonam ate of the chocolate. How
5
3
much chocolate did they eat together? How much chocolate is still left?
11. A worker works for 6 hours and earns ` 514.50. How much does he earn per hour?
12. Devesh has ` 700. He buys 5 burgers, 4 bottles of juice, 6 packets of wafers from
a shop. Each burger costs ` 35.25, each bottle of juice ` 22.75 and each packet of
wafers ` 19.50. How much money is he left with?

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