Test yourself - Arithmetic 2

Click on each box and put in the answer to the question.   As you move to another question your answer will be checked.  If it is incorrect then your incorrect answer will be removed and you can return to the question later.

1. Calculate 20 - (4 - 2)
   
   
   
2. Find 10 + 2 x 3
   
   
   
3. A factor of a number is
   1.   a number which divides into that number, leaving a remainder
   2.   someone who works in a factory
   3.   a number which divides into that number, leaving no remainder
   [insert the number of the correct definition into the box]:
   
   
   
4. Name the factors of 24
   [lowest to highest]
   , , , , , , ,
   
   
5. What are the first 6 prime numbers?
   , , , , ,
   
   
6. What is the highest common factor of 12 and 15?
   
   
   
7. What is the h.c.f of 21, 35 and 14?
   
   
   
8. What is the lowest common multiple of 3 and 4?
   
   
   
9. What is the l.c.m of 5, 8 and 2?
   
   
   
10. What is the l.c.m of 4 and 16?