Math Challenge

 MATH CHALLENGE- Solve the 4 riddles below. Put your answers into your agenda. Signatures will be rewarded :)

Use the digits below to answer each number in the riddle. You cannot repeat digits within a number

1                 2                 3                  4                5              6            7              8               9


a) I am the largest four digit odd number you can make. What number am I? 

b) I am the smallest 5 digit even number you can make. What number am I?

c) I am the largest 5 digit even number you can make that has a 3 in the thousands place.  What number am I?

d) I am the smallest 5 digit number you can make that has all odd digits. What number am I?

 

Remember.....

An even number is a number that can be divided into two equal groups.

An odd number is a number that cannot be divided into two equal groups.

Even numbers end in 2, 4, 6, 8 and 0 regardless of how many digits they have (we know the number 5,917,624 is even because it ends in a 4!).

Odd numbers end in 1, 3, 5, 7, 9.