Natural numbers and simple geometric figures
Answers are for parents and teachers.
1
Write in digits: 35 million 4 thousand 80.
35 004 080
2
Read 2 005 090 003 in words.
2 billion 5 million 90 thousand 3
3
How many centimetres is 5 dm 7 cm?
57
4
Point C is on segment AB: AC = 18 cm, CB = 27 cm. Find AB (cm).
45
5
Find the perimeter (cm) of a triangle with sides 13 cm, 14 cm and 15 cm.
42