6th Grade Math Textbook, Progress

Percent Sense

12-2

Compare. Use 
or .

1. 50% of 20 50% of 40 2. 20% of 30 20% of 10


2. 2% of 40 2% of 80 4. 3% of 10 3% of 4


3. 33 ^13 % of 30? 33  31 % of 3 6. 16 ^23 % of 12? 16  32 % of 60

??

??

Which is greater:

3% of 100 or 30% of 100?

The pictures show that

30% of 100 3% of 100.

0.3  100 0.03 100 3%0.03 30%0.3

30  3

Which is less:

30% of 60 or 30% of 80?

The pictures show that

30% of 60 
30% of 80.

0.3  60 
0.3 80

18 
 24

You can use mental math to estimate what percent

one number is of another.

Math class is 55 minutes long.

Ten minutes are used to check homework.

Trueor False: 10 minutes is more than 50%

of the class time.

Is ^1505 50%?

The statement is false.

Think

50% is. of 55 is more than of 50, which is 25.

10 minutes is less than 50% of the class time.

1

2

1

2

1

2

(^121)
2
3
4
7 6 5
9
8
10
11
10 minutes
(^12) of 55
1.0
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