Write down the biggest possible six-digit number - Junior Cycle Mathematics - Question 1 - 2016
Question 1
Write down the biggest possible six-digit number.
Write down the smallest possible six-digit number that does not start with 0.
Write in the missing number in each... show full transcript
Worked Solution & Example Answer:Write down the biggest possible six-digit number - Junior Cycle Mathematics - Question 1 - 2016
Step 1
Write down the biggest possible six-digit number.
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Answer
The biggest possible six-digit number is 999999, as it consists entirely of the digit 9.
Step 2
Write down the smallest possible six-digit number that does not start with 0.
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Answer
The smallest possible six-digit number that does not start with 0 is 100000, as it must start with the minimum non-zero digit.
Step 3
Write in the missing number in each of the following sequences.
3, 5, 7, 9,
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Answer
The missing number is 11, as this sequence increases by 2.
Step 4
Write in the missing number in each of the following sequences.
1, 4, 9, 16,
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Answer
The missing number is 25. The numbers in this sequence are perfect squares: 12,22,32,42,52.
Step 5
Write in the missing number in each of the following sequences.
2, 4, 8, 16,
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Answer
The missing number is 32, as each number in this sequence is obtained by multiplying the previous number by 2.
Step 6
Write in the missing number in each of the following sequences.
10, 13, 16, 19.
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Answer
The missing number is 12. The pattern alternates between adding 3 and then adding 2.
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