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Specific Tricks

Level 21 / mastery

x5 (4d)

3 visual steps / half then times ten

1. Halve number

8624 x 51. Halve number8624 / 2 = 4312.18624 / 2 = 431224312 x 103answer 43120
8624 / 2 = 4312.

8624 / 2 = 4312.

2. Times ten

8624 x 52. Times ten4312 x 10.18624 / 2 = 431224312 x 103answer 43120
4312 x 10.

4312 x 10.

3. Read answer

8624 x 53. Read answeranswer 43120. Read answer answer 43120answer 43120.
answer 43120.

answer 43120.

Practice Level 21

Name the shape first; the shortcut stays small.

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