Consider $6.61+2.85$6.61+2.85
Estimate the answer by rounding both values to the nearest whole number.
Use a calculator to evaluate $6.61$6.61 + $2.85$2.85 and write the answer below.
What is the difference between the estimate and the actual answer?
Find $46.01+0.09$46.01+0.09 giving your answer as a decimal.
Use a calculator to evaluate $7.411+6.247$7.411+6.247
Find $12.89+34.11$12.89+34.11 giving your answer as a decimal.