Scales, the number ray and comparing natural numbers
Answers are for parents and teachers.
1
Express in kilograms: 2 t 9 q 12 kg.
2912
2
A scale has 5 equal divisions between 0 and 150. What is one division worth?
30
3
Compare: 56 780 129 and 56 779 999.
56 780 129 > 56 779 999
4
Find the number greater than 300, less than 310, ending in 5.
305
5
Take a unit segment of 1 cm. Mark the points with coordinates 2, 4, 7, 12 in your notebook. How far from O (in cm) is the point 12?
12