Divide the total strawberries equally among plates.<br><br>
&bull; Total strawberries = 15<br>
&bull; Strawberries per plate = 5<br>
&bull; Number of plates = 15 &divide; 5 = 3<br><br>
Mrs Tan needs 3 plates.<br>
Check: 3 &times; 5 = 15 &#10003;