Practical tasks, number ray and scales, distance between points
Answers are for parents and teachers.
1
A day's meals are 520 kcal, 710 kcal and 480 kcal. How many kcal in total?
1710
2
There are 5 equal parts between the marks 300 and 800. What is the value of one division?
100
3
e = 3 cm and the point is P(9). How many cm from O to P?
27
4
How many unit segments are there between S(5) and T(17)?
12
5
A point starts at coordinate 8 and moves right at 6 unit segments per second for 5 s. What is its new coordinate?
38