Don’t Lose You’re Marbles

By Aaron, Brett, Max and Michael

Friday, 1 February, 13

Problem

Friday, 1 February, 13

Working Out

4x5=20

20-1=19

OR

20÷5=4

20-1=19

Friday, 1 February, 13

Word Form

The operations we used were multiplication or division and subtraction

First you have to multiply 4 and 5 to find the lcm, also known as lowest common multiple

The multiple between 4 and 5 is twenty

20 subtract 1 is 19

The answer is 19

Friday, 1 February, 13

Thanks

Friday, 1 February, 13