Question
Look at the picture.
Each box stands for 1 unit.
  1. Comb S is _____ units long.
  2. Comb T is _____ units long.
  3. Comb T is _____unit shorter than Comb S.
  4. The total length of Comb S and Comb T is _____units.
4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

(c)

Click button first when a symbol is required. X

(d)

Click button first when a symbol is required. X

Look at the picture.
Each box stands for 1 unit.
  1. Comb S is _____ units long.
  2. Comb T is _____ units long.
  3. Comb T is _____unit shorter than Comb S.
  4. The total length of Comb S and Comb T is _____units.