Page 181 - NUMINO Challenge_M1

Answer
Key

Geometry

1. Moving Figures Flip up and flip to the right
EEExxxeeerrrccciiissseee Slide right and flip down

EEExxxeeerrrccciiissseee Half turn to the left Quarter turn to the right

Type Study Find the shape of the pieces that do not change.
,,,

Find the pieces that have the left and right sides switched.
,

Find the pieces that have the top and bottom sides switched.

Problem solving

1 When a figure is moved by sliding, the direction or shape does not change. If

Angela moved the figure by sliding 5 times, then the direction and shape should be
the same as A.

Shape B is not the same as shape A, which was moved by sliding. So, what
Angela said is wrong.

44 NUMINO Challenge M1