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P. 53
6 Arranging
Basic Concepts Arranging Location
Locating: Solve locating and ordering problems by using a diagram.
N
WE
The playground is 200 m east School
and 100 m north of the house.
The school is 300 m west and S
100 m north of the playground.
Playground
House
A is in front of C. Front Back
B is in front of A. BAC
Example Students A, B, C, D, and E are standing in a line. Read the following
statements and write the order of students from front to back.
There is a boy in front of C Three students are behind D.
There is a boy behind C. E is behind D.
A, B, and E are boys. A is behind C.
C and D are girls.
Class Notes
Since there are three students behind D, D is in line.
Front Back
Since D is 2nd in line and there are boys in front of and behind C, C must be
in line.
Front D Back
A is behind C and E is behind D. Therefore, is 1st in line.
Front D Back
50 NUMINO Challenge B2
Basic Concepts Arranging Location
Locating: Solve locating and ordering problems by using a diagram.
N
WE
The playground is 200 m east School
and 100 m north of the house.
The school is 300 m west and S
100 m north of the playground.
Playground
House
A is in front of C. Front Back
B is in front of A. BAC
Example Students A, B, C, D, and E are standing in a line. Read the following
statements and write the order of students from front to back.
There is a boy in front of C Three students are behind D.
There is a boy behind C. E is behind D.
A, B, and E are boys. A is behind C.
C and D are girls.
Class Notes
Since there are three students behind D, D is in line.
Front Back
Since D is 2nd in line and there are boys in front of and behind C, C must be
in line.
Front D Back
A is behind C and E is behind D. Therefore, is 1st in line.
Front D Back
50 NUMINO Challenge B2
