☰ Contents · Mathematics

Grid area, cuboids and cubes, the net of a cube

Lessons 89–93 · 5 lessons · I.V. Repyova. Mathematics Grade 3, Parts 1–4. Novda Edutainment, 2023
Answers are for parents and teachers.
1
A cube has edge 11 cm. What is the total length of its edges in cm?
2
A cuboid is 20 cm long, 15 cm wide and 10 cm high. What is the total length of its edges in cm?
3
What is the total surface area in cm² of a cube with edge 6 cm?
4
A rectangle has area 720 cm² and width 24 cm. How many centimetres long is it?
5
The total edge length of a cube is 96 cm. How many centimetres is one edge?