Hang up these anchor charts designed from the 8th Grade STAAR Math reference sheet. Formatted to 8.5 x 11 paper, these will fit perfectly in a folder or a packet. Pages include: - Parts of a circle (radius, diameter, circumference, area) - Areas of shapes formulas (rectangle, triangle, circle, trapezoid) - Volume formulas (prism/cylinder, pyramid/cone, sphere) - Surface Area formulas (Prism and Cylinder) - Pythagorean Theorem - Simple and Compound Interest - Direct Variation - Slope