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MATH - MEASUREMENT (CLASS V)
This document discusses different units of measurement for length, mass, and capacity. It provides examples of converting between units of length like kilometers, meters, centimeters, and millimeters. It also includes examples of converting between units of mass such as tonnes, kilograms, grams, and milligrams. The document provides step-by-step workings for calculation problems involving addition, subtraction, and conversion between different units of measurement for length and mass.
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MATH - MEASUREMENT (CLASS V)
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- 6. • Length tellsus how long or wide an object is. Measurement for stitching clothes Distance between school and college • The units of measurement of length are metre (m), kilometre (km), centimetre (cm) etc.
- 7. Mass tells ushow much amount of matter is present in an object. The units of measurement of mass are gram (g), kilogram (kg) etc.
- 8. Capacity tells ushow much amount of space is occupied by an object. The units of measurement of capacity are litre (l), kilolitre (kl) etc.
- 9. Thousandths period Ones period Thousandths period Ones period Thousandths period Onesperiod Ones Metre Thousandths period Ones period Ones Deca Metre Thousandths period Ones period Tens Ones Deca Metre Thousandths period Ones period Tens Ones Hecto Deca Metre Thousandths period Ones period Hundreds Tens Ones Hecto Deca Metre Thousandths period Ones period Hundreds Tens Ones Kilo Hecto Deca Metre Thousandths period Ones period Thousands Hundreds Tens Ones Kilo Hecto Deca Metre Decimals Tenths Decimals Tenths Deci Tenths 1 10 Deci Tenths Hundredths 1 10 Deci Tenths Hundredths 1 10 Deci Centi Hundredths 𝟏 𝟏𝟎𝟎 Centi Thousandths Thousandths Milli Thousandths 𝟏 𝟏𝟎𝟎𝟎 Milli
- 10. K ing Henry D ied M ary D in’t C ry M uch Kilometre Hectometre Decametre Metre Decimetre Centimetre Millimetre km hm dam m dm cm mm 1 km = 1000 m 1 hm = 100 m 1 dam = 10 m Base unit 1 dm = 1/10 m 1 cm = 1/100 m 1 mm = 1/1000 m Measures of length
- 11. Add 51.23 dmand 98.50 dm dm 5 1 . 2 3 + 9 8 . 5 0 ------------------ dm 5 1 . 2 3 + 9 8 . 5 0 ------------------ 7 3 dm 5 1 . 2 3 + 9 8 . 5 0 ------------------ . 7 3 dm 5 1 . 2 3 + 9 8 . 5 0 ------------------ 9 . 7 3 dm 5 1 . 2 3 + 9 8 . 5 0 ------------------ 1 4 9 . 7 3
- 12. • Sam walked2.40 km on Monday, 4.59 km on Tuesday and 3.21 km on Wednesday. How many kilometres did he walked in three days? Solution Distance covered by sam on Monday = 2.40 km Distance covered by sam on Tuesday = 4.59 km Distance covered by sam on Wednesday = 3.21 km Total distance covered by sam in three days = 2.40 km + 4.59 km + 3.21 km
- 13. Km 2 . 40 km + 4 . 5 9 km + 3 . 2 1 km --------------------- 0+9+1= 10 Km 1 2 . 4 0 km + 4 . 5 9 km + 3 . 2 1 km --------------------- 0 km 1+4+5+2= 12 Km 2 . 4 0 km + 4 . 5 9 km + 3 . 2 1 km --------------------- . 2 0 km 1 1+2+4+3= 10 1 0 Total distance covered by sam in three days = 10.20 km
- 14. • Subtract 78.59hm from 90.20 hm hm 9 0 . 2 0 - 7 8 . 5 9 ------------------ hm 1 9 0 . 2 10 - 7 8 . 5 9 ------------------ 1 hm 1 9 0 . 2 10 - 7 8 . 5 9 ------------------ 1 hm 1 9 0 . 2 10 - 7 8 . 5 9 ------------------ 1 8 hm 1 9 10 . 2 10 - 7 8 . 5 9 ------------------ 1 hm 1 9 10 . 2 10 - 7 8 . 5 9 ------------------ 1 hm 1 9 10 . 2 10 - 7 8 . 5 9 ------------------ . 6 9 1 9 10 . 2 10 - 7 8 . 5 9 ---------------- 9 1 9 10 . 2 10 - 7 8 . 5 9 ---------------- 1 1
- 15. • The averagelength of a humpback whale is 13.93 m. The average length of a killer whale is 6.91 m. How much long the humpback whale than the killer whale? Solution: Length of humpback whale = 1 3 . 9 3 m Length of killer whale = 6 . 9 1 m Length of killer whale = - 6 . 9 1 m 2 m . 0 7 Humpback whale is 7.02 m longer than killer whale.
- 16. Kilometre Hectometre DecametreMetre Decimetre Centimetre Millimetre 1 10 100 1000 10000 100000 1000000 LENGTH
- 17. Kilometre Hectometre DecametreMetre Decimetre Centimetre Millimetre 1 10 100 1000 10000 100000 1000000 𝟏 𝟏𝟎 1 10 100 1000 10000 100000
- 18. Kilometre Hectometre DecametreMetre Decimetre Centimetre Millimetre 1 10 100 1000 10000 100000 1000000 𝟏 𝟏𝟎 1 10 100 1000 10000 100000 𝟏 𝟏𝟎𝟎 𝟏 𝟏𝟎 1 10 100 1000 10000 𝟏 𝟏𝟎𝟎𝟎 𝟏 𝟏𝟎𝟎 𝟏 𝟏𝟎 1 10 100 1000 𝟏 𝟏𝟎𝟎𝟎𝟎 𝟏 𝟏𝟎𝟎𝟎 𝟏 𝟏𝟎𝟎 𝟏 𝟏𝟎 1 10 100 𝟏 𝟏𝟎𝟎𝟎𝟎𝟎 𝟏 𝟏𝟎𝟎𝟎𝟎 𝟏 𝟏𝟎𝟎𝟎 𝟏 𝟏𝟎𝟎 𝟏 𝟏𝟎 1 10 𝟏 𝟏𝟎𝟎𝟎𝟎𝟎𝟎 𝟏 𝟏𝟎𝟎𝟎𝟎𝟎 𝟏 𝟏𝟎𝟎𝟎𝟎 𝟏 𝟏𝟎𝟎𝟎 𝟏 𝟏𝟎𝟎 𝟏 𝟏𝟎 1
- 19. Conversion between theunits Millimetre Kilometre Hectometre Decametre Metre Decimetre Centimetre X 10 X 10 X 10 X 10 X 10 X 10 10 10 10 10 10 10
- 20. • Express 6km in metres. Solution 1 km = 1000 m 6 km = 6 x 1000 = 6000 m
- 21. • Express 4mm in metres. Solution 1 mm = 𝟏 𝟏𝟎𝟎𝟎 m 4 mm = 4 x 𝟏 𝟏𝟎𝟎𝟎 = 0.004 m
- 22. • Express 10cm in metres. Solution 1 cm = 𝟏 𝟏𝟎𝟎 m 10 cm = 10 x 𝟏 𝟏𝟎𝟎 = 0.01 m
- 23. • Express 12m 4 cm in millimetres. Solution 1 m = 1000 mm 12 m = 12 x 1000 = 12000 mm 1 cm = 10 mm 4 cm = 4 x 10 mm = 40 mm 12 m 4 cm = 12000 mm + 40 mm = 12040 mm
- 24. Choose the correctoption How many metres are there in 6.5 km? 6500 m 650 m Correct answer 6500 m
- 25. • From 2m of cloth 75 cm is taken out. How long cloth is left now? Solution: 1 m = 100 cm 2 m = 2 x 100 = 200 cm If 75 cm is taken out = 200 cm – 75 cm = 125 cm 1 cm = 𝟏 𝟏𝟎𝟎 m 125 cm = 𝟏𝟐𝟓 𝟏𝟎𝟎 m = 1.25 m
- 26. Tonnes Kilograms GramsMilligrams 1 1000 1000000 1000000000 MASS
- 27. Tonnes Kilograms GramsMilligrams 1 1000 1000000 1000000000 𝟏 𝟏𝟎𝟎𝟎 1 1000 1000000
- 28. Tonnes Kilograms GramsMilligrams 1 1000 1000000 1000000000 𝟏 𝟏𝟎𝟎𝟎 1 1000 1000000 𝟏 𝟏𝟎𝟎𝟎𝟎𝟎𝟎 𝟏 𝟏𝟎𝟎𝟎 1 𝟏𝟎𝟎𝟎 𝟏 𝟏𝟎𝟎𝟎𝟎𝟎𝟎𝟎𝟎𝟎 𝟏 𝟏𝟎𝟎𝟎𝟎𝟎𝟎 𝟏 𝟏𝟎𝟎𝟎 1
- 29. Tonnes Kilograms GramsMilligrams X 1000 X 1000 X 1000 ÷ 1000 ÷ 1000 ÷ 1000
- 30. • Express 65g in milligrams Solution 1 g = 1000 g 65 g = 65 x 1000 = 65000 mg
- 31. • The costof 10 gram gold is 25000 rupees. What will be the cost of 1 kg gold? Solution 1 kg = 1000 g Cost of 1 gram gold is = 𝟐𝟓𝟎𝟎𝟎 𝟏𝟎 = 2500 rupees Cost of 1 kg gold is = 1000 x 2500 = 2500000 rupees = 25 Lakhs