Solved questions on Counting Numbers (Numbers up to 1000)
1. Fill in the blanks: 13, 20, __, 34, 41.
a) 26
b) 27
c) 28
d) 30
Answer: b) 27
Explanation: To find the missing number, we can observe that the given sequence is increasing by 7. So, the missing number should be 27.
2. Fill in the blanks: 56, _, 48, _, 40.
a) 54, 46
b) 52, 44
c) 53, 46
d) 55, 48
Answer: b) 52, 44
Explanation: To find the missing numbers, we can observe that the given sequence is decreasing by 8. So, the missing numbers should be 52 and 44.
3. Fill in the blanks: 106, 112, 118, __, 130.
a) 120
b) 122
c) 124
d) 126
Answer: c) 124
Explanation: To find the missing number, we can observe that the given sequence is increasing by 6. So, the missing number should be 124.
4. Which number comes after 569?
a) 570
b) 568
c) 600
d) 569
Answer: a) 570
Explanation: To find the number that comes after 569, we need to look at the digits in the one’s place. Since the digit in the one’s place is 9, we know that the next number will have a 0 in the one’s place by adding 1. Therefore, the number comes after 569 is 570.
5. Which number comes before 789?
a) 800
b) 788
c) 790
d) 7890
Answer: b) 788
Explanation: To find the number that comes before 789, we need to look at the digits in the one’s place. Since the digit in the one’s place is 9, we know that the previous number will have an 8 in the one’s place. The only option with an 8 in the one’s place is 788.
Worksheet on Counting Numbers
1. Fill in the blanks: 8, _, 24, _, 40.
a) 12, 28
b) 10, 26
c) 16, 32
d) 14, 30
Answer: c) 16, 32
2. Fill in the blanks: 350, 345, _, 335, _.
a) 340, 330
b) 342, 332
c) 338, 328
d) 344, 334
Answer: a) 340, 330
3. Fill in the blanks: 603, 606, 609, __, 615.
a) 610
b) 611
c) 612
d) 613
Answer: c) 612
4. Fill in the blanks: 720, _, 726, 729, _.
a) 722, 730
b) 723, 732
c) 724, 731
d) 725, 733
Answer: b) 723, 732
5. Fill in the blanks: 7, _, 15, _, 23.
a) 10, 18
b) 9, 17
c) 12, 20
d) 11, 19
Answer: d) 11, 19
6. Fill in the blanks: 914, 919, _, 929, _.
a) 923, 934
b) 924, 934
c) 925, 936
d) 922, 933
Answer: b) 924, 934
7. Fill in the blanks: 840, _, 842, _, 844.
a) 846, 841
b) 843, 845
c) 841, 843
d) 837, 829
Answer: c) 841, 845
8. Fill in the blanks: 2, _, 8, _, 14.
a) 4, 10
b) 5, 11
c) 6, 12
d) 3, 9
Answer: b) 5, 11
9. Fill in the blanks: 418, _, 428, 433, _.
a) 421, 432
b) 422, 430
c) 423, 438
d) 424, 433
Answer: c) 423, 438
10. Fill in the blanks: 163, _, 157, _, 151.
a) 160, 154
b) 158, 152
c) 159, 153
d) 161, 155
Answer: a) 160, 154
