Rationalising Denominators – Shootout! Students compete (1v1 in pairs or in teams, at their tables or at the front) to answer questions the quickest. Students could write on your whiteboard or their own. Delete too difficult/easy question slides beforehand. Click anywhere to start the music, then click ‘Go’ to show the question, then click again to show the answer. This game has sound!

Rationalising Denominators Shootout! Rationalising Denominators

Correct Answer = 1pt Fastest! = 1pt

Ready? Go!

Rationalise the denominator of this fraction. 1 3 3 3

Ready? Go!

Rationalise the denominator of this fraction. 1 5 5 5

Ready? Go!

Rationalise the denominator of this fraction. 5 3 15 3

Ready? Go!

Rationalise the denominator of this fraction. 1 2 3 3 6

Ready? Go!

Rationalise the denominator of this fraction. 2 8 2 2

Ready? Go!

Rationalise the denominator of this fraction. 2 3 7 2 7 21

Ready? Go!

Rationalise the denominator of this fraction. 5 12 2 15 12

Ready? Go!

Rationalise the denominator of this fraction. 2 2 3 3 2 6 9

Ready? Go!

Rationalise the denominator of this fraction. 2 5 6 30 3

Ready? Go!

Rationalise the denominator of this fraction. 1+ 2 2 2 +2 2

Ready? Go!

Rationalise the denominator of this fraction. 2− 5 5 2 5 −5 5

Ready? Go!

Rationalise the denominator of this fraction. 3+2 7 7 3 7 +14 7

Ready? Go!

Rationalise the denominator of this fraction. 2 3+ 5 3− 5 2

Ready? Go!

Rationalise the denominator of this fraction. 4− 5 4+ 5 21−8 5 11

Ready? Go!

Rationalise the denominator of this fraction. 1+ 3 1− 3 −2− 3

tom@goteachmaths.co.uk Questions? Comments? Suggestions? …or have you found a mistake!? Any feedback would be appreciated . Please feel free to email: tom@goteachmaths.co.uk