Page 107 - NUMINO Challenge_A2

FACTOJunior Answer Key
Mathematician

Measurement

1. Perimeter of Connected Shapes

Investigate Perimeter of a Figure 12 68
Perimeter of the Triangle 3 4 5 7

Perimeter of Figures 11 22011 8
211 2 1 01 88
2332 23 10 10 2122 12 2
2223 12 11211 11
3223 21 8 12 20 21112
2332 23
3313 23 8 12
10

Type Study Perimeter of Connected Shapes

1 Sum of the Lengths of the Blue Lines (Length of A) (Length of B) B
Length of A 2 3 6 cm A
Length of B 2 2 4 cm
Sum of the Lengths of the Blue Lines 6 4 2 cm

2 Sum of the Lengths of the Red Lines (Length of B) (Length of C) C
Length of B 2 2 4 cm B
Length of C 2 1 2 cm
Sum of the Lengths of the Blue Lines 4 2 2 cm

3 Perimeter of the Figure
(One Side of the Square) 10 (Sum of the Blue Lines) (Sum of the Red Lines)
2 10 2 2 24 cm

2 NUMINO Challenge A2