1. Find the quantity represented by the percent

2.  5 % of a whole quantity refers to the part of the quantity that represents 5%.  The model shows that 100% refers to the whole quantity, or the base

3.  Method 1: The model shows that: 100% = 1% = 5% =  Method 2: 5% of 160 = = Here, the base, or the whole quantity is 160. (160) 5% of 160 = 160 = 1.6 5 x 1.6 = 8 0.05 x 160 8 8

4.  Method 1 The model shows that 100% = ____ cm 1 %= ____ ÷ ____ = _____ cm 40% = ____ x ____ = ____ cm  Method 2 40% of 720cm = _____ x _____ = _____ cm 40% of 720 cm is cm (720) 720 100 720 7.2 40 288 0.40 720 40%

5.  Method 1 The model shows that: 100% = ____ kg 1 %= ____ ÷ ____ = kg 75% = x = kg  Method 2 75% of 800kg = x = kg 75% of 800 kg is kg (800) 800 100 8 758 600 0.75 800 600 75%

7.  The whole collection is. 8% of the collection is CDs. The model shows that: 8% = ____ 1% = ÷ = 100% = x = Ana’s collection is CDs 100% 96 812 CDs 12100 1200 CDs 1200

8.  The model shows that: ____% = ____students 1% = ÷ ____ = ____ students 100% = ___ x ___ = ____ students There are students in the school. 540 students (27 %) 27 540 2720 100 20 2000

9.  ____% = ____ people  1% = ____ ÷ ____ = ____ people  100% = ____ x ____ = ______ people There were _____ people at the amusement park in all. 60720 60 12 100 121200