Inverse equation challenge with answers
Example:
9,291÷19= 489
489X20= ______
The children need to remember the inverse equation and establish that 489X19=9291, so to work out 489X20= (9,291+489)= 9,780
Example:
9,291÷19= 489
489X20= ______
The children need to remember the inverse equation and establish that 489X19=9291, so to work out 489X20= (9,291+489)= 9,780
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£3.00