These summer-themed math brain teasers will have students utilizing a variety of strategies to find the value of the icons. Check out these twelve sets of no-prep problems that include a mix of addition, subtraction, multiplication, and division. Balanced equations and order of operation problems are included in the problem sets. Each one includes an open-ended or "missing piece" problem that needs to be solved. Teacher timesaver sheet included along with answer keys.☝ Click on the preview