☰ Contents · Mathematics

Work problems and Chapter III review

Lessons 29–30 · 2 lessons · B.Q. Khaydarov. Mathematics Grade 5, Parts 1–2. Revised and expanded third edition. Tashkent, 2020
Answers are for parents and teachers.
1
A tractor driver ploughs 12 ha in 4 hours. At that rate how many ha in 6 hours?
2
Typing speed is 120 characters a minute. How many minutes are needed for 1 080 characters?
3
Zafar does a job of 300 items in 10 days and Nodir in 15 days. How many days together?
4
A rectangle has perimeter 60 cm and width 12 cm. Find its area in cm².
5
A cyclist at 15 km/h and a pedestrian at 5 km/h set out towards each other from 40 km apart. After how many hours do they meet?