Rounding and Estimates Course

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

Rounding and Estimates Course