Read the problem, then answer the following questions.
Razon weighs 65 kg. Her sister Rianne weighs two-fifths as
heavy as he is. How heavy is Rianne?
a. What is anked in the problem?
b. What are given?
c. What operation will be used?
d. What is the mathematical sentence for the problem?
e. Solve: (Show your solution)
1. Check and look back:
Did I do the operation correctly?
Is my answer reasonable?
g. What is your final answer?
Answers & Comments
Answer:
a.How heavy is Rianne
b.Razon weights 65 kg, Rianne weights 2/5
c. multiplication
d. Razon weights 65 kg times Rianne weight 2/5
e.65×2/5
=65×2/1×5
=130/5
=130÷5/5÷5
=26
1. 26÷2/5
=26×5/1×2
=130/2
=65
g. 26
Rianne weight 26 kg