Real-life tasks, parallel and perpendicular lines, the number ray
Answers are for parents and teachers.
1
8 apples weigh 1 200 g. What is the average mass of one apple in g?
150
2
A pack is labelled m = 250 ± 10 g. What is the largest possible mass in g?
260
3
A trip costs 1 200 sum and a day ticket 5 500 sum. With 6 trips a day, how many sum does the ticket save?
1700
4
A rectangle measures 18 cm by 7 cm. How many cm apart are its long sides?
7
5
The unit segment is 5 cm. How many cm from the origin is the point with coordinate 9?
45