Question
Find the following values without a calculator. 
Give your answers in this manner. (Eg 122334, 45)
  1. 58 km + 13 km = ___ km
  2. 23 kg + 23 kg = ____ kg
  3. 23 ℓ - 18 ℓ = _____ ℓ
  4. 445 m - 179 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. 58 km + 13 km = ___ km
  2. 23 kg + 23 kg = ____ kg
  3. 23 ℓ - 18 ℓ = _____ ℓ
  4. 445 m - 179 m = _____ m