Page 120 - NUMINO Challenge_C1
P. 120
Problem solving Key Points
1 A 1 cm grid paper is cut into the shape shown Divide the shape into
below. What is the area of this shape? smaller shapes with a
known area.
2 A shape is drawn on a piece of dotted paper Subtract the area of
where the dots are spaced 1 cm apart. What is the uncolored
the area of the colored region? triangles from the
area of the whole
1 cm square.
1 cm
117Measurement
1 A 1 cm grid paper is cut into the shape shown Divide the shape into
below. What is the area of this shape? smaller shapes with a
known area.
2 A shape is drawn on a piece of dotted paper Subtract the area of
where the dots are spaced 1 cm apart. What is the uncolored
the area of the colored region? triangles from the
area of the whole
1 cm square.
1 cm
117Measurement
