Question
Find the following values without a calculator. 
Give your answers in this manner. (Eg 122334, 45)
  1. 34 km + 18 km = ___ km
  2. 56 kg + 34 kg = ____ kg
  3. 56 ℓ - 57 ℓ = _____ ℓ
  4. 413 m - 215 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. 34 km + 18 km = ___ km
  2. 56 kg + 34 kg = ____ kg
  3. 56 ℓ - 57 ℓ = _____ ℓ
  4. 413 m - 215 m = _____ m