12 prerequisite gaps that commonly contribute to lower SAT Math performance.

2-minute test
Simplify (2/3 + 1/4) ÷ (5/6) in under 40 seconds, working by hand.

Drill common-denominator addition and 'divide = multiply by reciprocal' until it's automatic. A calculator is permitted throughout digital SAT Math, but rational-expression questions still depend on this fluency.

2-minute test
Expand −3(2x − 5) + (4 − x).

Write the minus sign as ×(−1) explicitly while building the habit. Sign errors are a common source of avoidable mistakes.

2-minute test
Solve A = P(1 + rt) for r.

Practice isolating a variable that isn't x. SAT questions may require rearranging science and finance formulas.

2-minute test
A line passes through (2, 7) and (6, 19). What does the slope mean if x is hours?

Read slope as 'units of y per one unit of x.' This interpretation is useful across many contextual problems.

2-minute test
Write an equation: a gym charges $25 to join plus $15 a month.

Label the variable in writing before writing the equation. Translating the context carefully can prevent avoidable errors.

2-minute test
Solve 3x + 2y = 12 and x − y = 1 twice, once each way.

Use substitution when one variable is already isolated and elimination when coefficients line up. Aim to choose the efficient method promptly.

2-minute test
A price rises 20% then falls 20%. Is it back to the original?

Use multipliers (×1.2 then ×0.8 = 0.96) rather than combining successive percentage changes directly.

2-minute test
60 miles per hour is how many feet per second?

Set conversions as fractions and cancel units on paper. Unit tracking catches the wrong answer before you bubble it.

2-minute test
Simplify (x³y⁻²)² / (x⁴y).

Know the five rules securely: product, quotient, power, zero and negative. They appear across algebra and function questions.

2-minute test
Factor x² − 7x + 12 and 2x² + 5x − 3.

Use short, regular factoring practice to build recognition speed alongside a reliable method.

2-minute test
For f(x) = (x − 3)² − 4, name the vertex, the roots, and f(5).

Practice converting between standard, factored and vertex form so you can interpret a quadratic in any representation.

2-minute test
From a scatterplot, estimate the line of best fit and predict a value outside the data range.

Say what each axis measures before answering. This quick check helps prevent avoidable graph-reading errors.