13
Increasing and decreasing order
Textbook pp. 32–33
GoalOrder things from smallest to biggest (increasing) and biggest to smallest (decreasing).
New words
increasing order · o‘sish tartibidecreasing order · kamayish tartibithe biggest · eng kattathe smallest · eng kichik
Explanation
Lining things up from the smallest to the biggest is increasing order. From the biggest to the smallest is decreasing order. We can order by age, number, length or size.
Worked examples
Increasing: 1, 2, 3, 4, 5. Decreasing: 5, 4, 3, 2, 1.
By size: bicycle, car, bus, train.
Class activity
Children line up by height: first from shortest to tallest, then the other way round.
Practice
1
Write in decreasing order: 3, 5, 1, 4, 2
5, 4, 3, 2, 1
2
Smallest to biggest: bus, bicycle, car
bicycle, car, bus
3
Who is the youngest in your family?
Free answer