Evaluate $0.75+0.48$0.75+0.48
Evaluate $0.869+0.764$0.869+0.764
We want to find $9.85+9.99$9.85+9.99.
We want to find $4.86+4.83$4.86+4.83.
Add and subtract decimal numbers to thousandths, using concrete materials, estimation, algorithms, and calculators