Mental Arithmetic
Level
1
2
3
2/10
About
how much to pay?
≈
$
5
\approx \$5
≈
$5
≈
$
6
\approx \$6
≈
$6
≈
$
7
\approx \$7
≈
$7
≈
$
4
\approx \$4
≈
$4
Prev.
Check answer
Skip
Help?
