Up and down
Put the numbers in the boxes so that the total of the row across adds up to the same as the total of the column down. Several ways to do this, leading to further investigations.
3 pages
Free
Up and down
Put the numbers in the boxes so that the total of the row across adds up to the same as the total of the column down. Several ways to do this, leading to further investigations.
Free Resource: Available completely free for all accounts even trial and expired ones.
![Preview of 'Up and down'](https://content.urbrainy.com/1880/526907340/thumbnail_xlarge/1899_1.png)