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Division

Level 22 / mastery

4d / 2d (medium divisor)

4 visual steps / large quotient chunks

1. Estimate slot

3040 / 201. Estimate slotBuild quotient chunks; track left.3040/20quotient slots10020 x 100 = 2000;1040 left20 x 50 = 1000; 40left100 + 50 + 2 =152; 0 left
Start with the biggest useful 20 group.

Start with the biggest useful 20 group.

2. Track left

3040 / 202. Track leftBuild quotient chunks; track left.3040/20quotient slots1005020 x 100 = 2000;1040 left20 x 50 = 1000; 40left100 + 50 + 2 =152; 0 left
Subtract each checked product.

Subtract each checked product.

3. Combine slots

3040 / 203. Combine slotsBuild quotient chunks; track left.3040/20quotient slots10050220 x 100 = 2000;1040 left20 x 50 = 1000; 40left100 + 50 + 2 =152; 0 left
Remainder hits 0; read 152.

Remainder hits 0; read 152.

4. Read quotient

3040 / 204. Read quotientBuild quotient chunks; track left. Read quotient 3040 / 20 = 152 check: 152 x 20 = 3040Read 3040 / 20 = 152; 152 x 20 checksit.
Read 3040 / 20 = 152; 152 x 20 checks it.

Read 3040 / 20 = 152; 152 x 20 checks it.

Practice Level 22

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

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