Parallel and perpendicular lines, the number ray
Answers are for parents and teachers.
1
Express 2 m 5 dm 7 cm + 1 m 8 dm 6 cm in centimetres.
443
2
How many unit segments are between A(36 : 9) and B(5 × 2)?
6
3
Find the perimeter (cm) of a rectangle with sides 8 cm and 3 cm.
22
4
On a ray with division value 3, which number is at the 8th mark right of zero?
24
5
On a map 1 cm = 25 km. Tashkent and Samarkand are 12 cm apart on the map. What is the real distance in kilometres?
300