☰ Contents · Mathematics

Review: time, perimeter and area; divisors and multiples

Lessons 10–13 · 4 lessons · I.V. Repyova. Mathematics Grade 4, Parts 1–4. Novda Edutainment, Tashkent, 2023
Answers are for parents and teachers.
1
What is 4 h 20 min + 2 h 55 min?
2
How many hours are 2 days 6 hours?
3
A rectangle has perimeter 54 cm and length 15 cm. How many cm wide is it?
4
Write all the divisors of 30.
5
Write the smallest five-digit number divisible by 10.