Math 1A Singapore-Naming Positions-Chapter 5

Naming Positions

Look at the table to understand naming positions:

Cardinal Numbers		Ordinal Numbers
1	one	first	1st
2	two	second	2nd
3	three	third	3rd
4	four	fourth	4th
5	five	fifth	5th
6	six	sixth	6th
7	seven	seventh	7th
8	eight	eighth	8th
9	nine	ninth	9th
10	ten	tenth	10th

1.

					the 5th position  ↓
👧 c	👦 J	👧 I	👦 H	👧 F	👦 B	👧 A	👦 D	👧 G	👦 E
					------------------------ 5 children

Who is 5^th?

Who is 9^th?

In which position is the boy E?

Answer:

The boy B is 5^th.

The boy J is 9^th.

The boy E is in 1^st position.

2.  🦁 🐯 🙉 🐘 🦒 🐶 🐴

     left ----------------------àright

🙉 is 3^rd from the left.

🐶 is 2^nd from the right.

Who is 4^th from the left?

Who is 6^th from the right?

Answer:

🐘 is 4^th from the left.

🐯 is 6^th from the right.

Some examples from the workbook:

Workbook Exercise 32 (2)

(a) Color the 3^rd. glass.

🥛.	🥛.	🥛.	🥛.	🥛.	🥛.	🥛.
1st

Answer:

🥛.	🥛.	🥛.	🥛.	🥛.	🥛.	🥛.
1st		3rd

(b) Color the 3 flags.

⚐.	⚐.	⚐.	⚐.	⚐.	⚐.	⚐.
1st

Answer:

⚐.	⚐.	⚐.	⚐.	⚐.	⚐.	⚐.
1st		3rd

Workbook Exercise 34

(1) Color the 6^th. ball from the right.

⚽ .⚽.⚽.⚽.⚽.⚽.⚽.⚽

Answer:

⚽.⚽.⚽.⚽.⚽.⚽.⚽.⚽

(2) Color the 3^rd. tree from the left.

🌴.🌴.🌴.🌴.🌴.🌴.🌴.🌴.🌴

Answer:

🌴.🌴.🌴.🌴.🌴.🌴.🌴.🌴.🌴

(3) Color the 5^th. bell from the right.

🔔.🔔.🔔.🔔.🔔.🔔.🔔.🔔.🔔

Answer:

🔔.🔔.🔔.🔔.🔔.🔔.🔔.🔔.🔔

(4) Color the 2^nd apple from the left.

🍏.🍏.🍏.🍏.🍏.🍏.🍏

Answer:

🍏.🍏.🍏.🍏.🍏.🍏.🍏

Review 1:

2. Count and write the number in words.

	Number in words
🍏.🍏.🍏.🍏
🐟.🐟
🥕.🥕.🥕.🥕.🥕
🦋.🦋.🦋.🦋.🦋 🦋.🦋.🦋.🦋.🦋
🦆.🦆.🦆

Answer:

	Number in words
🍏.🍏.🍏.🍏	four
🐟.🐟	two
🥕.🥕.🥕.🥕.🥕	five
🦋.🦋.🦋.🦋.🦋 🦋.🦋.🦋.🦋.🦋	ten
🦆.🦆.🦆	three

3. Write the numbers.

six		seven
nine		zero

Answer:

six	6	seven	7
nine	9	zero	0

4. Write the numbers in words.

8

5

Answer:

8

eight

5

five