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Mosaic Floors: Tile the Two-Digit Room

Created by Argraide
Updated October 23rd, 2026
Mosaic Floors: Tile the Two-Digit Room

At a glance

Play mode
📱 Solo
Format
🖼️ 2D
Length
⏱ About 20 minutes
Subject
Math
Grade
5
Curriculum
Ontario
Curriculum codes
B2.1
B2.6

About this activity

Restore a sunlit palace courtyard. Each floor is drawn to scale on a square grid: the student cuts it into four parts, orders exactly the tiles each part needs, then adds the parts to load the tile cart. A forgotten part stays bare floor.

What students learn

  • Multiply a two-digit number by a two-digit number with the area model: split each side, find all four partial products and add them (B2.6)
  • Connect the four parts of the area model to the lines of the column algorithm (B2.6)
  • Use the distributive property: a side split any way gives the same total (B2.1)

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