Mathematics workshop
Numbers in order
Neighbours, positions and steps along a number line.
Theory
Number order
Numbers on a line follow an order. Equal gaps each represent one step; a number farther right is greater.
Choose the greater number: 4 or 3.
Number neighbours
A number has a neighbour to its left and right. In this window, 0 has only its right neighbour and the final number only its left neighbour.
Choose the neighbour right of 4.
Ordinal position
A position and the number at it differ: 0 is the first stop. Do not count the starting mark as a step.
Choose stop number 4. Start at 0: it is the first stop.
Stop order: 0 → 1 → 2 → …
Count forwards
One forward step increases the number by one. Mark the start, then count the gaps.
Start at 4. Take 3 steps forwards. Where will you stop?
Count backwards
One backward step decreases the number by one. Do not count the starting mark as a step.
Start at 4. Take 3 steps backwards. Where will you stop?
Distance
Distance is the number of unit gaps between two marks. It helps compare two quantities.
How many unit steps lead from 4 to 8?
Practice
Explore the example: perform and reverse the action, then compare diagram and equation.
Choose the greater number: 4 or 3.
Games
Find the unknown. A hint helps, and that completion is counted separately.
Choose the greater number: 5 or 6.
Choose a number to check it straight away. When typing, press Enter to finish.