A human head weighs 160 ounces. What is that weight in What is the student's error? kilograms? Analyze the work below.
1,000 g
O The student forgot to multiply by
1 lb = 16 oz
1 kg
1,000 g = 1 kg
1 kg
The student forgot to multiply by
1 kg = 2.2 lb
1,000 g
16 lb
Student's work
1 lb
O The student multiplied by
instead of
1 oz
16 oz
160 OZ 16 lbs
1 kg
2.2 lb
X
1.163.6
O The student multiplied by instead of
1 1 oz 2.2 lbs
2.2 lb
1 kg
1 kg
Intro
Done