Question
Find the following values without a calculator. 
Give your answers in this manner. (Eg 122334, 45)
  1. 49 km + 27 km = ___ km
  2. 57 kg + 12 kg = ____ kg
  3. 12 ℓ - 14 ℓ = _____ ℓ
  4. 359 m - 156 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 + 27 km = ___ km
  2. 57 kg + 12 kg = ____ kg
  3. 12 ℓ - 14 ℓ = _____ ℓ
  4. 359 m - 156 m = _____ m