Ordinal Numbers

Ordinal numbers describe position rather than quantity, expanding children's number vocabulary and preparing them for sequencing in various contexts.

• Framework: Montessori
• Unit: Mathematics
• Learning area: Number Concepts
• Level: Ages 3-5

Objectives

• Understand ordinal position
• Use ordinal number vocabulary
• Distinguish ordinal from cardinal numbers

Materials

• 10 different small objects or figures
• Ordinal number cards (1st through 10th)
• Line-up mat

Instructions

1. Line up 10 different figures. 2. 'This is first. This is second. This is third.' 3. Three-period lesson for ordinal names. 4. 'Point to the fifth one.' 5. 'What position is the dog in?' 6. Place ordinal cards beneath figures. 7. Rearrange and identify positions again.

Educator tip

Connect to daily life: 'You are the third person in line.' 'We'll do this activity second today.'

Assessment

Child uses ordinal numbers correctly through tenth position.

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