Year 1 have been showing their reasoning skills in maths this week.

Bob said “I can make all of the numbers from 11 to 20 using the digits 1 to 9.”

The year 1 children had to see whether Bob was right or wrong. They worked in groups with the digits 1-9 and worked systematically to see if they could make the numbers 11-20.

Mossab said “We can’t make 11 because we only have one number 1”

Adbullah noticed that “We can’t make the number 20 because there is no 0”

As a group we decided that Bob was wrong because we could only make the numbers 12, 13, 14, 15, 16, 17, 18 and 19.