Question
Find the following values without a calculator. 
Give your answers in this manner. (Eg 122334, 45)
  1. 29 km + 14 km = ___ km
  2. 57 kg + 12 kg = ____ kg
  3. 49 ℓ - 13 ℓ = _____ ℓ
  4. 459 m - 218 m = _____ m 
2 m

Click button first when a symbol is required. X

Find the following values without a calculator. 
Give your answers in this manner. (Eg 122334, 45)
  1. 29 km + 14 km = ___ km
  2. 57 kg + 12 kg = ____ kg
  3. 49 ℓ - 13 ℓ = _____ ℓ
  4. 459 m - 218 m = _____ m