Stretch level
40
Number Bonds to 40
Bonds, addition and subtraction within forty: builds on bonds to twenty.
Choose what to practise
Each round is 10 questions, and takes 5 to 10 minutes.
Finished
Stretch level
Bonds, addition and subtraction within forty: builds on bonds to twenty.
Choose what to practise
Each round is 10 questions, and takes 5 to 10 minutes.
Finished
Number Bonds to 100, a Year 2 game, uses the same facts in tens. Knowing 3 + 7 = 10 gives 30 + 70 = 100.