1. Halve number
84 / 2 = 42.
x5 (2d)
3 visual steps / half then times ten
2. Times ten
42 x 10.
3. Read answer
answer 420.
Practice Level 19
Name the shape first; the shortcut stays small.
Start Level3 visual steps / half then times ten
84 / 2 = 42.
42 x 10.
answer 420.
Name the shape first; the shortcut stays small.
Start Level