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.
137, 138 140
Write the missing numbers in the series.
147, 148, 149
Write the missing numbers in the series.
173, 174 176
Write the missing numbers in the series.
197, 198, 199
Write the missing numbers in the series.
203, 205 207
Write the missing numbers in the series.
223, 224, 226
Write the missing numbers in the series.
246, 247, 248
Write the missing numbers in the series.
258, 259, 260
Write the missing numbers in the series.
269, 271, 272
Write the missing numbers in the series.
188, 189 192
