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Multiplication

Level 21 - mastery

3d × 3d (medium all)

6 visual blocks - left-to-right train

1

Read the shape

Level 21 visual plan for 3d × 3d (medium all)
Read the factor sizes before multiplying. 3d × 3d (medium all).

Read the factor sizes before multiplying. 3d × 3d (medium all).

2

Pick the method

Multiplication: block 2 Visual guide level shape 3d × 3d (medium all)Pick the methodSplit, scan, then normalize. image-first, then practice
Split, scan, then normalize.

Split, scan, then normalize.

3

First move

Multiplication: block 3 Visual guide level shape 3d × 3d (medium all)First moveStart from the left edge. image-first, then practice
Start from the left edge.

Start from the left edge.

4

Check

Multiplication: block 4 Visual guide level shape 3d × 3d (medium all)CheckEstimate with rounded factors. image-first, then practice
Estimate with rounded factors.

Estimate with rounded factors.

5

Play the mode

Multiplication: block 5 Visual guide level shape 3d × 3d (medium all)Play the modeBeat the clock with checked answers. image-first, then practice
Beat the clock with checked answers.

Beat the clock with checked answers.

6

Watch-out

Multiplication: block 6 Visual guide level shape 3d × 3d (medium all)Watch-outUse a named shortcut when the shape is obvious. image-first, then practice
Use a named shortcut when the shape is obvious.

Use a named shortcut when the shape is obvious.

Level 20 Level 22

Practice Level 21

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