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Specific Tricks

Level 21 - mastery

×5 (4d)

6 visual blocks - recognize the shape

1

Read the shape

Level 21 visual plan for ×5 (4d)
Name the visible trick before solving. ×5 (4d).

Name the visible trick before solving. ×5 (4d).

2

Pick the method

Specific Tricks: block 2 Visual guide level shape ×5 (4d)Pick the methodMatch the shortcut to the number shape. image-first, then practice
Match the shortcut to the number shape.

Match the shortcut to the number shape.

3

First move

Specific Tricks: block 3 Visual guide level shape ×5 (4d)First moveCheck for x11, near-base, x25, or x125. image-first, then practice
Check for x11, near-base, x25, or x125.

Check for x11, near-base, x25, or x125.

4

Check

Specific Tricks: block 4 Visual guide level shape ×5 (4d)CheckUse an estimate to catch bad padding. image-first, then practice
Use an estimate to catch bad padding.

Use an estimate to catch bad padding.

5

Play the mode

Specific Tricks: block 5 Visual guide level shape ×5 (4d)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

Specific Tricks: block 6 Visual guide level shape ×5 (4d)Watch-outOne trick per problem; do not mix rules. image-first, then practice
One trick per problem; do not mix rules.

One trick per problem; do not mix rules.

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