Step 1: Estimate

Slide to closest estimate

is about...
{{ opt.toLocaleString() }}

Step 2: Break it down

Drag parts to the area model

{{ s2.parts1[0] }}
{{ s2.parts1[1] }}
{{ s2.parts2[0] }}
{{ s2.grid[0].val }}
{{ s2.grid[1].val }}
{{ s2.parts2[1] }}
{{ s2.grid[2].val }}
{{ s2.grid[3].val }}
{{ piece.val }}

Step 3: Place Value

Tap empty boxes for placeholder zeros

{{ s3.n1 }} {{ s3.n2 }}
({{s3.n1}} × {{s3.d[0]}})
{{ d }}
({{s3.n1}} × {{s3.d[1]}}0)
{{ d }}
0
({{s3.n1}} × {{s3.d[2]}}00)
{{ d }}
0
0

Step 4: Solve It!

Type digits right to left

🏆

Masterful!

You've conquered multi-digit multiplication.

{{ dragState.piece.val }}