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Grade 2 - Mathematics
2.3 Counting by 50s

Method:
  1. Read out the numbers given.
  2. Notice the pattern in the sequence of numbers.
  3. Guess the number that should come next.
Example:
What is the missing number:
120, 170, 220, ___

Look at the numbers in the above sequence. Here the difference between one number to the next is 50, therefore, it is skip counting by 50. That is, to each number we have to add 50 to get the next number.

In the above example,
170-120 = 50
220-170 = 50
Answer : 270


Directions: Find the missing number. Also write at least 10 examples of your own.
Q 1: What is the missing number?
493, 543, 593, 643, ___
593
643
693
743

Q 2: What is the missing number?
369, 419, 469, 519, ___
619
519
469
569

Q 3: What is the missing number?
343, 393, 443, 493, ___
543
593
443
493

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Question 5: This question is available to subscribers only!

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!


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