Mini Cross-Number

Age
11 to 14
Challenge level
filled star filled star empty star

Which digit replaces x in this crossnumber?

Thinking mathematically

Exploring and noticing Working systematically Conjecturing and generalising Visualising and representing Explaining, convincing and proving

Mathematical mindsets

Being curious Being resourceful Being resilient Being collaborative

Problem



What is the digit x in this cross-number?

Across                  Down

 

1. A cube              1. One less than a cube

3. A cube              2. A number

 

Mini Cross-Number



If you liked this problem, here is an NRICH task that challenges you to use similar mathematical ideas.