Compass® Test

Fractions:

• Adding and Subtracting: common denominator
• Multiplying: straight across
• Dividing: flip and multiply

Decimals:

• Adding and Subtracting: line them up
• Multiplying: count them up
• Dividing: move the up OR move them over then move them up

Percents: Is/of = x/100

"Brain dump" these formulas on a piece of scratch paper as soon as you get settled in the testing site.

1. Area of a triangle = 1/2 b x h
2. Area of a circle = A =  π r ²
3. Circumference of a circle = dπ
4. Area of a rectangle = L x W

π = Pi