Practise mental addition skills and inverse relationships to solve a variety of problems

Three brick addition with base numbers          up to 4          not crossing 10          not crossing 10 including inverse

Three brick addition with base numbers          single digit numbers crossing 10          single digit numbers crossing 10 including inverse

Three brick addition with base numbers          up to 20          up to 20 including inverse

Three brick addition with base numbers          up to 50          up to 50 including inverse

Three brick subtraction with top numbers          up to 10          up to 20          up to 20 including inverse          up to 50 including inverse

Three brick subtraction problem          to make 3          to make 7

Four brick addition with base numbers          not crossing 10          not crossing 10 including inverse

Four brick addition with base numbers          single digit numbers crossing 10          single digit numbers crossing 10 including inverse

Four brick addition with base numbers          up to 20          up to 20 including inverse          up to 50

Four brick subtraction with top numbers          up to 10          up to 10 including inverse          up to 20          up to 20 including inverse

Four brick subtraction with top numbers          up to 50          up to 100

Five brick addition with base numbers          not crossing 10          not crossing 10 including inverse

Five brick addition with base numbers          single digit numbers crossing 10          single digit numbers crossing 10 including inverse

Five brick addition with base numbers          up to 20          up to 20 including inverse

Nrich Maths          Build it Up