Question

Rounding or compatible numbers to estimate the sum 790+112=

Answer 1

800+100=900 or 795+115=810 or 800+110=910

Answer 2

We have to estimate the sum of

790 +112

→Estimation using Tens

790 +110=900

→Estimation using Hundreds

800+100=900

→Actual Estimation

790+112=902