Rounding and Estimates
– Rounding and estimating are math strategies used for approximating a number.
– To estimate means to make a rough guess or calculation.
– To round means to simplify a known number by scaling it slightly up or down.
Example:
\(\ 73\ + \ 69\ \cong \color{red}{140}\)
Free printable Worksheets
Rounding and Estimates - Example 1:
\(36 \ \times \ 59\ \cong \color{red}{2400}\)
Rounding and Estimates - Example 2:
\(29 \ \times \ 72\ \cong \color{red}{2100}\)
Rounding and Estimates - Example 3:
\(51 \ \times \ 70\ \cong \color{red}{3500}\)
Rounding and Estimates - Example 4:
\(58 \ \times \ 26\ \cong \color{red}{1800}\)
Rounding and Estimates - Example 5:
\(73 \ \times \ 50\ \cong \color{red}{3500}\)
Rounding and Estimates - Example 6:
\(80 \ \times \ 83\ \cong \color{red}{6400}\)
Rounding and Estimates - Example 7:
\(95 \ \times \ 30\ \cong \color{red}{3000}\)
Rounding and Estimates - Example 8:
\(25 \ + \ 66\ \cong \color{red}{90}\)
Rounding and Estimates - Example 9:
\(32 \ + \ 41\ \cong \color{red}{70}\)
Rounding and Estimates - Example 10:
\(47 \ + \ 83\ \cong \color{red}{130}\)
Rounding and Estimates - Example 11:
\(87 \ - \ 39\ \cong \color{red}{50}\)
Rounding and Estimates - Example 12:
\(272 \ - \ 157\ \cong \color{red}{110}\)
Rounding and Estimates QUIZ
