Montessori · Mathematics

Numeral Card Composition

The color-coded, superimposed numeral cards show how each digit represents a different place value and how they layer to form complete numbers.

Objectives

Materials

Instructions

1. Present cards by category: units, tens, hundreds, thousands. 2. 'Find 3000.' Place down. 3. 'Find 400.' Layer on top. 4. 'Find 50.' Layer on. 5. 'Find 2.' Layer on top. 6. Read: '3,452.' 7. Peel apart to see each component.

Educator tip

The cards are different lengths so the layering works perfectly. Children see that 3452 = 3000 + 400 + 50 + 2.

Assessment

Child composes and decomposes four-digit numbers using layered cards.

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