Maths Crossword

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Across
  1. 2. Smallest Prime Number
  2. 4. What is the smallest composite number?
  3. 6. What is the LCM of 4 and 6
  4. 7. What is the HCF of 12 and 18
  5. 8. What is the sum of the first three prime numbers
Down
  1. 1. Divided By 2
  2. 3. What is the next number in the sequence: 1, 4, 9, 16, ...?
  3. 4. What is 15 divided by 3
  4. 5. What is the next number in the sequence: 2, 4, 6, 8, ...?