Question
Find the following values without a calculator. 
Give your answers in this manner. (Eg 122334, 45)
  1. 13 km + 12 km = ___ km
  2. 45 kg + 38 kg = ____ kg
  3. 89 ℓ - 57 ℓ = _____ ℓ
  4. 323 m - 113 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. 13 km + 12 km = ___ km
  2. 45 kg + 38 kg = ____ kg
  3. 89 ℓ - 57 ℓ = _____ ℓ
  4. 323 m - 113 m = _____ m