DAV Class 3 Maths Solution Chapter 8 Length
DAV School Books Class 3 Maths Solution Chapter 8 Length all Question Answer. DAV Class 3 8th Chapter Length full Chapter explanation by expert teacher
Page – 96
(1) Select the correct unit from the box to measure the following lengths.
Meter (m), Centimeter (cm), Kilometer (km)
(a) Length of your Skirt/Shorts.
Ans: Centimeter
(b) Height of a room.
Ans: Meter
(c) Breadth of your math book.
Ans: Centimeter
(d) Distance between Delhi and Agra.
Ans: Kilometer
(e) Length of your thumb.
Ans: Centimeter
(f) Distance between the earth and the moon.
Ans: Kilometer
(g) Length of a Canal.
Ans: Kilometer
(h) Length of cloth needed to stitch a Curtain.
Ans: Meter.
(2) Fill in the blanks:-
(a) The biggest unit of length is Kilometer.
(b) 1 Kilometer is equal to 1000 meters.
(c) The Standard unit of length is Meter.
(d) The length of a railway track is measured in Kilometers.
Page – 98
Solve the following:-
(1) 4m = 4 × 100 cm = 400 cm
(2) 18m = 18 × 100 cm = 1800 cm.
(3) 52m = 52 × 100 = 5200 cm.
(4) 290m = 290 × 100 = 29000 cm.
(5) 5km = 5 × 1000 m = 5000 m.
(6) 7 km = 7 × 1000 cm = 7000 m.
(7) 6 km = 6 × 1000 = 6000 m.
(8) 8 km = 8 × 1000 = 8000 m.
Page – 99
(1) Arrange in columns and add.
Page – 99
(2) Arrange in columns and Subtract.
Page – 101
(1) A Shopkeeper had 35m. 35 cm cloth of one Kind and 24m.25cm cloth of another kind. How much Cloth did he have altogether?
One Kind of Cloth 35m 50cm.
Other kind of Cloth 24m 25cm.
Total Cloth he have = 35m 50cm + 24m 25cm.
He have 69m 75cm Cloth altogether with him.
(2) Rohan’s house is 8 Km 250m from school and Sohan’s house is 3 km 120 m from the school. Whose house is nearer to school and by how much?
Rohan’s house distance from School = 8 Km 250 m
Sohan’s house distance from School = 3 Km 120 m
Sohan’s house in nearer to School
Difference of distance of Rohan’s and Sohan’s from School = 8 km 250m – 3Km 120m = 5Km. 130m
Sohan’s house is 5 km 130 m nearer to School from Rohan’s
(3) A roll of electric wire Curtains 88 m 75 cm of Wire. If 46 m 55 cm of wire is used, how much wire is left in the roll?
A roll of electric wire Certains = 88 m 75 cm
Wire Used = 46 m 55 cm
Wire left = 88 m 75 cm – 46 m 55 cm
42 m 20 cm wire is left in the roll.
(4) John Cycles 5 Km 650 m in the morning and 8 Km 300 m in the evening. How much distance does he cycle altogether?
John Cycles = 5 Km 650 m in morning.
John Cycles in evening = 8 Km 300m
Total he Cycles = 5 Km 650 m + 8 Km 300 m
John Cycles 13 Km 950 m distance altogether.
Page – 102
(5) Rita bought 30 m 70 cm cloth from a shop. She used 25 m 25 cm cloth for making Curtains. How much Cloth is left behind with her?
Rita bought Cloth = 30 m 70 cm
She used Cloth = 25 m 25 cm
Cloth left = 30 m 70 cm – 25 m 25 cm
Cloth left behind with her is 5 m 45 cm
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