Find $2.7+3.3$2.7+3.3 giving your answer as a decimal.
Find $7.1+7.5$7.1+7.5 giving your answer as a decimal.
Find $2.3+0.2$2.3+0.2 giving your answer as a decimal.
Find $0.17+0.52$0.17+0.52 giving your answer as a decimal.
Add and subtract decimals, with and without digital technologies, and use estimation and rounding to check the reasonableness of answers