February Challenge - Years 5 & 6

Take ten cards numbered 0 to 9.

For each challenge use all ten cards.  (This means that you make all five numbers in each challenge using 0 once, 1 once, 2 once...  Numbers may have 1, 2 or 3 digits.)

Challenge A:

Make five numbers that are multiples of 3.

Challenge B:

Make five numbers that are multiples of 7.

Challenge C:

Make five prime numbers.

Extension:
Make up more problems to use all ten cards to make five special numbers.

Solutions are to be completed by Friday 26th February.  Please post them into the Maths Challenge Box in the picture book library.