Grade 6 - Natural-and-Whole-Numbers

(Sample Online worksheet)

Check True/False

1)Between any two non consecutive whole numbers there is a whole number.
True    False
2)Every natural number is a whole number.
True    False

Fill in the blanks

3)432 X 394 = 394 X
4)Find the Least Common Multiple (LCM) of following:
A) LCM of 50, 200, 10 is .
B) LCM of 28, 126, 28, 72 is .
C) LCM of 42, 63, 35, 15 is .
5)A rectangular courtyard with length 18 m 43 cm and breadth 12 m 73 cm is to be paved with square stones of the same size. The least number of such stones required are .
6)The greatest number which divides 613, 182 and 407 leaving remainder 5, 6 and 7 respectively is .

Choose correct answer(s) from given choice

7)The lowest natural number which when divided by 10, 28, 8, 56 leaves the remainder of 5 in each case is
a. 288 b. 284
c. 285 d. none of these
8)A lighthouse has two lights - one that flashes every 2 minutes, and another that flashes every  
11
2
  minutes. Suppose the lights flash together at noon. What is the first time after 1 pm that they will flash together again?

a. 1:03 b. 1:06
c. 1:05 d. 1:01
9)Select the best way to do the multiplication of these numbers
20 X 338 X 50 X 20
a. ((338 X 50) X 20) X 338 b. ((20 X 50) X 20) X 338
c. (338 X 20) X 20 X 50 d. (338 X 20) X 50 X 20
10)The set of consecutive odd numbers starting from 1 till N (i.e. 1,3, 5, 7...N) has a sum of 400. What is the value of N?
a. 35 b. 37
c. 41 d. 39
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