Addition in Year 5 (age 9-10)
Children will enjoy showing off their high level of mental arithmetic. Quick mental methods are extended to larger numbers, including addition of two, 2-digit numbers. The standard written method should now be used efficiently, including numbers with decimals.
Revise addition skills
Revise mental addition skills.
Adding several small numbers
Using mental methods to add several small numbers.
Mental addition of decimals
Using mental methods to add simple decimals.
Mental addition of large numbers
Adding larger numbers 'in your head' including thousands.
Use the formal written method to add whole numbers, including numbers with over 4 digits.
Written addition of decimals
Use the formal written method to add decimals.
Investigating addition and problem solving.