STEP 1 - DRAW TWO BARS: Write out the problem and circle the key information. Here it is the percentage you want to find, 20%, and the weight of the chocolate, 70 g ...

WHAT YOU NEED: whiteboard, calculator and 3 marker pens. Image caption, STEP 1: Write the problem and circle the key information. Here it is the total amount, 70 g, and the percentage you want to find ...