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Division

Level 29 / mastery

5d / 2d (expert)

4 visual steps / large quotient chunks

1. Estimate slot

85536 / 721. Estimate slotBuild quotient chunks; track left.85536/72quotient slots100072 x 1000 = 72000;13536 left72 x 100 = 7200;6336 left1000 + 100 + 80 +8 = 1188; 0 left
Start with the biggest useful 72 group.

Start with the biggest useful 72 group.

2. Track left

85536 / 722. Track leftBuild quotient chunks; track left.85536/72quotient slots100010072 x 1000 = 72000;13536 left72 x 100 = 7200;6336 left1000 + 100 + 80 +8 = 1188; 0 left
Subtract each checked product.

Subtract each checked product.

3. Combine slots

85536 / 723. Combine slotsBuild quotient chunks; track left.85536/72quotient slots100010080872 x 1000 = 72000;13536 left72 x 100 = 7200;6336 left1000 + 100 + 80 +8 = 1188; 0 left
Remainder hits 0; read 1188.

Remainder hits 0; read 1188.

4. Read quotient

85536 / 724. Read quotientBuild quotient chunks; track left. Read quotient 85536 / 72 = 1188 check: 1188 x 72 = 85536Read 85536 / 72 = 1188; Use thequickest safe method.
Read 85536 / 72 = 1188; Use the quickest safe method.

Read 85536 / 72 = 1188; Use the quickest safe method.

Practice Level 29

Use the visible move, then type only when the answer is clear.

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