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Grade 3 - Mathematics
3.7 Counting by 1000s

Method:
  1. Read the numbers given.
  2. Notice the pattern in the sequence of numbers.
  3. Guess the number that should come next.
Example
5000, 6000, 7000, 8000,___
Look at the numbers in the above sequence. Here the difference between one number to the next is 1000, therefore, it is skip counting by 1000. That is, to each number we have to add 1000 to get the next number.
In the above example,
6000 - 5000 = 1000
7000 - 6000 = 1000
8000 - 7000 = 1000
Hence, to each number we have to add 1000 to get the next number.
Answer: 9000

Example
2345, 3345, 4345, 5345,___
Here:
3345 - 2345 = 1000
4345 - 3345 = 1000
5345 - 4345 = 1000
Hence, to each number we have to add 1000 to get the next number.
5345 + 1000 = 6345
Answer: 6345


Directions: Find the missing number. Also write at least ten examples of your own.
Q 1: What is the missing number?
29618, 30618, 31618, 32618, ___
32618
31618
33618
34618

Q 2: What is the missing number?
87868, 88868, 89868, 90868, ___
89868
91868
90868
92868

Q 3: What is the missing number?
85549, 86549, 87549, 88549, ___
87549
88549
89549
90549

Q 4: What is the missing number?
41518, 42518, 43518, 44518, ___
46518
45518
43518
44518

Q 5: What is the missing number?
88830, 89830, 90830, 91830, ___
90830
93830
92830
91830

Question 6: This question is available to subscribers only!

Question 7: This question is available to subscribers only!

Question 8: This question is available to subscribers only!

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!


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