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4th Grade > Mathematics

MEASUREMENTS MCQs

Total Questions : 40 | Page 1 of 4 pages
Question 1. Tina went to a shop to buy 3 litres of orange juice for a party. The store sold orange juice only in 250 mL cartons. How many 250 mL cartons will Tina need to buy?
  1.    4
  2.    8
  3.    16
  4.    12
 Discuss Question
Answer: Option D. -> 12
:
D
1L=1000mL
3L=3×1000mL
=3000mL
Therefore, thequantity of juice Tina wants to buy equals 3000 mL.
Since the store sells only 250 mL cartons, the number of such cartons that Tina has to buy is given by 3000250=12.
Question 2. Standard unit of capacity is _________.
  1.    Metre
  2.    Litre
  3.    Gram
  4.    Kilogram
 Discuss Question
Answer: Option B. -> Litre
:
B
'Litre' is the standard unit of capacity.
Question 3. The amount of milk in a spoon is approximately:
  1.    5 mm
  2.    5 cm 
  3.    5 mL
  4.    5 L
 Discuss Question
Answer: Option C. -> 5 mL
:
C
We know that spoon is a small object which can hold very little quantity of liquid.
Here, millimetre (mm) and centimetre (cm) areunits of length.
'Litre' is used to measure a large quantity of liquid.
Therefore, milk in a spoon is approximately 5 mL.
Question 4. If Raju travels 3 km everyday, then how many centimetres does he travel everyday?
  1.    3000 cm
  2.    300000 cm
  3.    30000 cm
  4.    300 cm
 Discuss Question
Answer: Option B. -> 300000 cm
:
B
When we convert a larger unit (km) to a smaller unit (m), we multiply the given measure by the conversion factor.
Since 1 km = 1000 m, we multiply 3 by 3000 to convert 3 kms into metres.
i.e., 3km = 3 x 1000 m = 3000 m
To convert metres into centimetres, we multiply the given measure by 100.
i.e., 3000 m = 3000 x 100 cm = 300000 cm
Thus, Raju travels a total of 300000 cm everyday.
Question 5. Find the length of the pencil shown on the scale.
Find The Length Of The Pencil Shown On The Scale.
  1.    5 cm
  2.    5.5 cm
  3.    6 cm
  4.    6.5 cm
 Discuss Question
Answer: Option A. -> 5 cm
:
A
If we observe the picture, the pencil on the scale is starting at 1 cm. Ideally, it should start from zero. So, subtract 1 cm from 6 cm.
i.e Length of the pencil = 6 cm - 1 cm
= 5 cm
Question 6. Long distances between two places are measured in _____.
  1.    Millimetre
  2.    Milligram
  3.    Kilometre
  4.    Kilogram
 Discuss Question
Answer: Option C. -> Kilometre
:
C
Kilogram (kg) and milligram (mg) are the units of mass.
Millimetre (mm) is the unitused to measure the length of verysmall objects like the length of a pin, seed etc.
Kilometre(km) is the unitused to measure long distancesbetween two places.
Question 7. 300 g + ______ g = 1 kg
  1.    600
  2.    700
  3.    800
  4.    1000
 Discuss Question
Answer: Option B. -> 700
:
B
We know that 1 kg = 1000 g
Therefore, 300 g +______= 1000 g
= 1000 g - 300 g
= 700 g
Question 8. Subtract: 1 mg from 20 mg
  1.    19 m
  2.    19 g
  3.    19 mg
  4.    1.9 g
 Discuss Question
Answer: Option C. -> 19 mg
:
C
Since the units are same, the values can be easily subtracted
20 mg - 1 mg = 19 mg
Question 9. Find the missing quantity:
1 L = 350 mL + ______ mL
  1.    600
  2.    650
  3.    700
  4.    750
 Discuss Question
Answer: Option B. -> 650
:
B
We know that
1 Litre = 1000 mL
1000 mL = 350 mL + _____ mL
1000 mL - 350 mL = _____ mL
= 650 mL
1000 mL = 350 mL + 650 mL
Question 10. An ant goes 3 cm forward then goes 2 cm backwards and then finally 5 cm forward. What is the final position of the ant if the initial position of the ant is shown on the scale? 
An Ant Goes 3 Cm Forward Then Goes 2 Cm Backwards And Then F...
  1.    6 cm
  2.    7 cm
  3.    8 cm
  4.    9 cm
 Discuss Question
Answer: Option C. -> 8 cm
:
C
Initial position of the ant = 2 cm
Ant goes 3 cm forward = 2 cm + 3 cm =5 cm
Ant goes 2 cm backward = 5 cm - 2 cm = 3 cm
Finally, the ant goes 5 cm forward = 3 cm + 5 cm = 8 cm
The final position of the ant is 8 cm

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