Mrs Grundy went on with the test, walking up and down between the desks. “4 x 8… 6 x 7…” Each time, the answer appeared in the air just above her head. It was like a speech bubble in a comic strip! I took off my glasses and rubbed my eyes. Suddenly the floating bubble disappeared. But when I put my glasses back on, I could see the bubble again and inside it the answer to the next sum! It was incredible… Maybe my glasses were magic?
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