Point to the 10 th circle then ask what number is this? 10- What is the position? (10 th) continue up to 20 th circle, then ask the students to repeat ordinal numbers 1 st-20 th.Ask each time how did you know that it is the right circle to color? (We counted from left to right to no.Repeat with random ordinal number up to 9 th till the entire circles are filled.As them to raise their sheets to show the coloring. Ask the students to color the ninth circle.Distribute a sheet containing 20 circles or draw 20 circles on the board in different sizes in a sequence from smaller to bigger.Ask student from the second group to stand beside him or her and raise the corresponding ordinal number card.Ask every student to call out his or her number.Give the ordinal number cards to the second group.Hand them the number cards jus prepared.Ask them to call out their number as 1, 2, 3, 4…20.Have 20 students line up in two groups parallel to each other.Which day is the first day of the week? Continue up to 7 th day.Which month is the first month of the year? Continue up to 12 th month.Now ask the following question to the students, as.Ask them to cut 20 squares from the calendar pages and paste the number on these square pieces to prepare number cards.Ask each group to cut the numbers from 1 to 20 from the calendar pages.Give used calendar pages to the groups.Writing board, chalk/marker, duster, numbers cards, used calendar pages, ruler, pair of scissors, glue/gum, ordinal number cards first to twentieth While teaching the lesson, the teacher should also consult textbook at all steps wherein and whenever it is applicable.Ordinal numbers state a position or place where something is with respect to others, as in a race with three students:.The ordinal numbers are similar to the actual numbers they represent.Write ordinal numbers from first to twentieth.