Problems for Week 8

1.  When the children in a class got into groups of four there was one child left over. How many children might there be in the class?
Can anyone do this by using multiplication somewhere?

2.  The answer to a division question is 5. What might the question be?

3.

4.  A school has 400 students.  They all come to school by bus, and each bus carries the same numbe of students. How many students might there by on each bus?

5.  How could you calculate 17 x 4 if the 4 button on the calculator was broken?