#### Find the missing number in the sequence

12, ----- , 32, 42, 52 , ------, 72 ,

Anonymous

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12, ----- , 32, 42, 52 , ------, 72 ,

Sangeetha Pulapaka

0

STEP 1: Recall what is a sequence

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STEP 2: Recall what is an arithmetic sequence

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STEP 3: Recall what is a geometric sequence

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STEP 4: Recognise the sequence and write the missing number

The common difference between the thied, fourth, and the fifth terms is 10. So, this is an arithmetic sequence. The missing numbers are 22 and 62.

Skills to recall:

What is a term