☰ Contents · Mathematics

Net of a cuboid, circles and discs

Lessons 94–98 · 5 lessons · I.V. Repyova. Mathematics Grade 3, Parts 1–4. Novda Edutainment, 2023
Answers are for parents and teachers.
1
A circle has radius 15 cm. How many centimetres is its diameter?
2
A cuboid measures 9 cm, 2 cm and 2 cm. What is its total surface area in cm²?
3
4 flowers were drawn with 6 petals each, and one petal has an area of 12 cm². What is the total area of all petals in cm²?
4
A compass is opened to 25 mm. How many millimetres is the diameter of the circle it draws?
5
A round table has diameter 1 m 20 cm. How many centimetres is its radius?