1) Find the sum 1.56 + 0.083. Show your reasoning (vertical calculation).
2) Find the difference 0.2 - 0.05. Show your reasoning (vertical calculation).
3) You need to be at least 39.37 inches tall (about a meter) to ride on a bumper car. Diego’s cousin is 35.75 inches tall. How many more inches will he need to grow before Diego can take him on the bumper car ride? Show your reasoning (vertical calculation).