1. Tambah ukuran panjang

2. Soalan a
0 cm 1 2 3 4 5 6 7 8 9 10 11 12 13 14
Straw (5 cm)
Reben (5 cm) =10 cm
5 cm
+ 5 cm
10 cm

3. Soalan b
0 cm 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 15 17 18 19 20
Straw (5 cm) =12.7 cm
Reben (77 mm)
=127 mm
0 mm 10 20 30 40 50 60 70 80 90 10 0 110 120 130 140 150 160 170 180 190 200
5 cm 77 ÷ 10 50 x 10
+ 77 mm =7.7 cm =50 mm
82 cm 5.0 cm 50 mm
+ 7.7 cm + 77 mm
12.7 cm 127 mm

4. Soalan c
0 cm 1 2 3 4 5 6 7 8 9 10
Straw (3 cm 8 mm)
Reben (3 cm 8 mm)
3 cm 8 mm
+ 3 cm 8 mm
7 cm 6 mm