Deriving New Facts From Number Bonds (Part 1)

Maths

If I know that 2 + 9 = 11, then I know... (select 1)

If I know that 4 + 5 = 9, then I know (select 1)

If I know that 9 + 7 = 16, then I know (select 1 )

If I know that 2 + 11 = 13,  then I know (select 1)

If I know that 5 + 3 = 8, then I know... (select 1)

If I know that 6 + 2 = 8, then I know... (select 1)

Which of these equations are linked to the number 6 (select 1)

'One ten and three ones' is a representation of the number... (Select 1)

'Double 4' is a representation of the number 8 (Select 1)

Which of these equations represent 10? (Select 1)