Page 155 - NUMINO Challenge_C2
P. 155
Answer
Key
Problem solving Creative Thinking p.74~p.75
1 There are 5 different shapes that can be formed 1
by combining four squares of equal size at their Shape cannot be formed because piece
sides. cannot be used.
2 2 Place the blocks in order, starting from A where
a block must be placed.
A
Type 8-2 Tangrams p.72~p.73
1
5 blocks
3
2
3 There are 5 different ways.
Problem solving 9 Origami p.76~p.77
Unfolded Paper
1 Find the location of the largest piece first. Then, Example
cover the shape with the pieces as shown below.
2 Each magic triangle piece is formed by combining Try It Again
right isosceles triangles. First, divide the given Example left
shape into right isosceles triangles. Then, find the
right isosceles triangle that goes in the far left.
NUMINO Challenge C2
Key
Problem solving Creative Thinking p.74~p.75
1 There are 5 different shapes that can be formed 1
by combining four squares of equal size at their Shape cannot be formed because piece
sides. cannot be used.
2 2 Place the blocks in order, starting from A where
a block must be placed.
A
Type 8-2 Tangrams p.72~p.73
1
5 blocks
3
2
3 There are 5 different ways.
Problem solving 9 Origami p.76~p.77
Unfolded Paper
1 Find the location of the largest piece first. Then, Example
cover the shape with the pieces as shown below.
2 Each magic triangle piece is formed by combining Try It Again
right isosceles triangles. First, divide the given Example left
shape into right isosceles triangles. Then, find the
right isosceles triangle that goes in the far left.
NUMINO Challenge C2
