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Grade-1
Count by 10 - Numbers up to 100
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Look at the number pattern shown below and find the missing number :
13, 23, 33, ?, 53
Explanation
Observe the pattern carefully.
Each number in the pattern is increased by 10 to get the next term in the pattern.
13
13 + 10 = 23
23 + 10 = 33
33 + 10 = 43
43 + 10 = 53
The missing number in the pattern is 43.
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