☰ Contents · Mathematics

Price, quantity, cost; cost problems; rate of work

Lessons 129–133 · 5 lessons · I.V. Repyova. Mathematics Grade 3, Parts 1–4. Novda Edutainment, 2023
Answers are for parents and teachers.
1
1 kg of pomegranates costs 16 000 sum. How many sum do 3 kg cost?
2
8 pencils cost 24 000 sum. How many sum does one pencil cost?
3
5 identical notebooks and a pen costing 4 000 sum were bought for 29 000 sum in total. How many sum is one notebook?
4
A worker makes 14 parts per hour. How many parts does he make in 9 hours?
5
A machine packed 960 boxes in 8 hours. What is its rate in boxes/hour?