I think of a number: Fluency with operations

Thanks! Exactly what I was looking for!

Thank you so much, these are well written and well differentiated - perfect!

Nice and simple, these create a good bank of "Think of a number" style questions to reinforce inverse operations. They are well differentiated and provide a good challenge. Thanks!

Brilliant- just what I needed and well differentiated! Thanks

Thanks very much, these are brilliant for the speedy ones that finish early. CHEERS

Thank you. A much welcomed time saver!

Just what I needed - Thanks!

Just what I wanted! this has really saved me time. Many thanks!

Thank you :)

Excellent resource- life saver! Clear differentiation. Thank you :)