Billy the elf made 67 toys today, if he makes 70 toys everyday, how many more toys does Billy have to make?

A family has 18 gifts, if 2 kids open 4 how many gifts will be left?

Elfy the elf has made 30 toys, he usually makes 80 each day how many more toys does elfy need to make?

5 elfs make 60 toys a week, how much toys do they make in a day?

I made 10 cookies for santa, he ate 6 cookies, how many cookies do i have left?

70 elfs were hired, santa told 50 to go on a break, how many elfs are still working

Santa loves his elfs, so when he asked 4 to make 50 toys how many toys are being made

Santa is sick! Oh no! so when 6 elfs usually make 60 toys 2 els left to take care of santa. How many toys does 4 elfs each need to make

Riddle: what can go around the world without moving a muscle?