☰ Contents · Mathematics

Harder problems and the order of operations

Lessons 17–18 · 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
Two boxes hold 74 kg of apples in total, the first has 8 kg more. How many kg are in the first box?
2
Solve x + 6x = 217.
3
Compute 480 − 48 : 6 × 5 + 12.
4
Compute (150 − 6 × 15) : 4 + 9.
5
In a yard there are hens and rabbits with 15 heads and 40 legs in total. Use the assumption method to find the number of rabbits.