Last updated on October 21st, 2021 at 08:55 pm
Class 6 Maths Periodical Test September 2021
M619 Works with numbers up to 8-digits.
Q -1 Do as directed.
Which number will be formed, by we interchanging the digits at unit’s and hundreds place in 123? Is the new number greater or smaller than 123? (2)
Solution:-
By interchanging unit and hundred place we get the number 321 ,which is greater than 123
(2) Which number we will get if we subtract the place value of 4 from the place value of 5 in 95432? (2)
Solution:-
In 95432 the place value of 5 is 5000 and place value of 4 is 400.
If we substract 5000-400 we get the answer is 4600
(3) Write in words: 5,02,324 (1)
Solution
Five lakh two thousand three hundred twenty four.
M620.3 Knows the properties of addition and multiplication for whole numbers and uses them in the calculation. Q -2 Do as directed.
Find the product using rearrangement. 4 ×1853 ×25 (2)
Solution:
- 4 x 1853 x 25
- 1853 x [25 x4 ]
- 1853 x 100
- 185300
(2) Rameshbhai filled his truck diesel tank with 60 litres of diesel on Monday and 40 litres of diesel on Tuesday. If the diesel costs ₹ 85 per litre, how much did he spend in all on diesel?
Solution:
- On Monday he filled 60 ltrs.
- On Tuesday he filled 40 ltrs.
- Total diesel filled = 100 ltrs.
- Diesel cost per litre = 85 rs.
- Total amount spent = 100*85 = 8500
M602.4 Finds common factors and common multiples of given number.
Q -3 Do as directed.
Which two numbers have 7 as a common factor? (1)
Solution:- 14 , 21
(2) Write common factors of 20 and 25. (2)
Solution :
- Factor of 20 are – 1,2,4,5,10,20
- Factor of 25 are – 1,5,25
- Common factors are 1 and 5
(3) Write first three common multiples of 3 and 5. (2)
Solution:
- Multiples of 3 are – 3,6,9,12,15,18,21,24,27,30,33,36,39,42,45
- Multiples of 5 are – 5,10,15,20,25,30,35,40,45,50,55,60,65,70,75
- Common multiples are – 15 , 30 and 45
M603.2 Finds L.C.M and solves practical problems related to it.
Q – 4 Do as directed.
Find L.C.M of 40 and 60. (2)
LCM of 40 and 60 is 120
Which smallest 3-digit number is divisible by 12, 18 and 24? (3)
12 – 12 , 24 ,36 , 48 ,60,72,84,96,108,120,132,144,156
18 – 18 ,36 ,54 ,72 ,90 ,108 ,126 ,144 ,162 ,180
24 – 24 ,48 ,72 ,96 ,120 ,144 ,168
Smallest 3 Digit number is 144
Correct Answer –
1 – D Triangle
2 – B – A
Correct Answer –
3 – A [X]
4 – B [ B and C]
5 – C [.P]
