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Division

Level 25 / mastery

4d / 2d (mastery)

4 visual steps / large quotient chunks

1. Estimate slot

9990 / 901. Estimate slotBuild quotient chunks; track left.9990/90quotient slots10090 x 100 = 9000;990 left90 x 10 = 900; 90left100 + 10 + 1 =111; 0 left
Start with the biggest useful 90 group.

Start with the biggest useful 90 group.

2. Track left

9990 / 902. Track leftBuild quotient chunks; track left.9990/90quotient slots1001090 x 100 = 9000;990 left90 x 10 = 900; 90left100 + 10 + 1 =111; 0 left
Subtract each checked product.

Subtract each checked product.

3. Combine slots

9990 / 903. Combine slotsBuild quotient chunks; track left.9990/90quotient slots10010190 x 100 = 9000;990 left90 x 10 = 900; 90left100 + 10 + 1 =111; 0 left
Remainder hits 0; read 111.

Remainder hits 0; read 111.

4. Read quotient

9990 / 904. Read quotientBuild quotient chunks; track left. Read quotient 9990 / 90 = 111 check: 111 x 90 = 9990Read 9990 / 90 = 111; 111 x 90 checksit.
Read 9990 / 90 = 111; 111 x 90 checks it.

Read 9990 / 90 = 111; 111 x 90 checks it.

Practice Level 25

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

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