Exercise: Completing Partial Circles of Evaluation from Arithmetic Expressions

Directions: For each arithmetic expression on the left, finish the Circle of Evaluation on the right by filling in the blanks.

$(5 * 9) - (2 + 7)$
(- (* 9) (+ 2 ))
$(3 + 12) * 16$
(* (+ 3 ) )
$20 + (-4 * 6)$
(+ (* 6))
${15\over10 + (4 * -2)}$
(/ 15 ( 10 ))

Bootstrap:Algebra by Emmanuel Schanzer, Emma Youndtsmith, Kathi Fisler, and Shriram Krishnamurthi was developed partly through support of the National Science Foundation, (awards 1042210, 1535276, 1648684, and 1738598), and is licensed under a Creative Commons 4.0 Unported License. Based on a work at www.BootstrapWorld.org. Permissions beyond the scope of this license may be available by contacting schanzer@BootstrapWorld.org.