Mental Maths improves concentration span, number sense, sharpens memory and reduces calculation errors. Happy Practising!
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Write the missing numbers in the series.
600, 602 606
Write the missing numbers in the series.
446, 448, 450
Write the missing numbers in the series.
337, 339, 341
Write the missing numbers in the series.
403, 404, 405
Write the missing numbers in the series.
539, 538, 537
Write the missing numbers in the series.
576, 574 572
Write the missing numbers in the series.
606, 607, 609
Write the missing numbers in the series.
554, 553, 552
Write the missing numbers in the series.
657, 658, 659
Write the missing numbers in the series.
262, 670, 669
