Question
Find the following values without a calculator. 
Give your answers in this manner. (Eg 122334, 45)
  1. 49 km + 12 km = ___ km
  2. 59 kg + 12 kg = ____ kg
  3. 78 ℓ - 17 ℓ = _____ ℓ
  4. 323 m - 227 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. 49 km + 12 km = ___ km
  2. 59 kg + 12 kg = ____ kg
  3. 78 ℓ - 17 ℓ = _____ ℓ
  4. 323 m - 227 m = _____ m