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Classroom mathematics instructional setting with algebra and geometry materials
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The ParaPro Math subtest evaluates foundational computation and practical instructional assistance skills.

What to Expect on the ParaPro Math Subtest

The Mathematics section of the ETS ParaPro Assessment (Test 1755) consists of 30 multiple-choice questions designed to measure your mathematical reasoning and your ability to support student learning in a classroom environment. Approximately 18 questions evaluate pure mathematical concepts (skills and knowledge), while 12 questions present practical classroom scenarios where an instructional aide assists students with computations, error detection, or measurement tasks.

Key Mathematical Domains Tested

  • Number Operations: Fractions (addition, subtraction, division via Keep-Change-Flip), decimals, percentage benchmark conversions, place value, and order of operations (PEMDAS).
  • Pre-Algebra & Relationships: Solving one-step and two-step linear equations, understanding direct proportions, ratios, and interpreting inequalities.
  • Geometry & Measurement: Perimeter, area of rectangles and triangles, volume of rectangular prisms, customary unit conversions (inches/feet, ounces/pounds, minutes/hours), and reading coordinate planes.
  • Data Analysis: Computing mean (average), median (middle value), mode (most frequent), and range; interpreting tables, bar graphs, and probability models.

Essential Mental Math Strategies & Formula Cheat Sheet

Because calculators are strictly prohibited on the official exam, developing speed and precision with pencil-and-paper techniques and mental shortcuts is essential for success:

ParaPro Math Subtest Formula Cheat Sheet with Keep Change Flip, PEMDAS order of operations, and perimeter area equations
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ParaPro Mathematics Formula Cheat Sheet: Keep-Change-Flip, PEMDAS hierarchy, percentage triangle, and geometry equations.
  1. Use Percentage Benchmarks: To find 15% of 60, calculate 10% (6) plus half of that for 5% (3) to get 9 quickly.
  2. Cross-Simplify Fractions: Before multiplying large numerators and denominators, divide out common factors to keep arithmetic manageable.
  3. Check for Reasonable Scale: In word problems involving unit conversions or proportions, estimate the order of magnitude first to eliminate obviously incorrect options.

Static Question Curriculum Preview (Indexed Questions)

Below are representative mathematics questions and step-by-step solutions from this subtest module:

Question 1: What is the value of 3/4 + 2/5 in simplest fraction form?
Choices: (A) 5/9 • (B) 23/20 • (C) 1 3/20 • (D) 1 1/4
Correct Answer: (C) 1 3/20
Explanation: To add fractions with unlike denominators, find the Least Common Denominator (LCD) of 4 and 5, which is 20. Convert: 3/4 = 15/20 and 2/5 = 8/20. Add numerators: 15/20 + 8/20 = 23/20. Convert 23/20 to a mixed number: 1 3/20.
Question 2: An instructional aide is helping 6 students divide 4 1/2 pounds of modeling clay equally. How many pounds of clay does each student receive?
Choices: (A) 1/2 pound • (B) 2/3 pound • (C) 3/4 pound • (D) 7/8 pound
Correct Answer: (C) 3/4 pound
Explanation: Convert 4 1/2 to an improper fraction: 9/2. Divide 9/2 by 6 (or 6/1): 9/2 ÷ 6/1 = 9/2 × 1/6 = 9/12. Simplify 9/12 by dividing numerator and denominator by 3 to get 3/4 pound.
Question 3: A classroom has 28 students. On Friday, 7 students were absent due to illness. What percentage of the class was present?
Choices: (A) 25% • (B) 65% • (C) 70% • (D) 75%
Correct Answer: (D) 75%
Explanation: If 7 of 28 students are absent, the number of present students is 28 - 7 = 21. The fraction present is 21/28 = 3/4. 3/4 converted to a percentage is 75%.
Question 4: Solve for x in the linear equation: 4x - 7 = 29.
Choices: (A) x = 5.5 • (B) x = 8 • (C) x = 9 • (D) x = 11
Correct Answer: (C) x = 9
Explanation: Add 7 to both sides of the equation: 4x = 36. Divide both sides by 4: x = 9.
Question 5: A rectangular bulletin board measures 8 feet wide and 5 feet high. If a decorative border trim costs $0.75 per linear foot, what is the total cost to border the entire perimeter?
Choices: (A) $19.50 • (B) $24.00 • (C) $26.00 • (D) $30.00
Correct Answer: (A) $19.50
Explanation: Perimeter = 2(Length + Width) = 2(8 + 5) = 2(13) = 26 feet. Total cost = 26 ft × $0.75/ft = $19.50.

Continue Your Practice Preparation

📐 Set 2

Math Practice Test (Set 2)

Take 30 additional mathematics questions to reinforce your calculation speed and accuracy.

📚 Study Guide

Fractions & Decimals Guide

Review in-depth rules for finding common denominators, dividing fractions, and converting decimals.

Frequently Asked Questions About ParaPro Math

How many math questions are on the ParaPro assessment?

There are exactly 30 mathematics questions on the ParaPro exam, representing one-third of the total 90-question test.

Can I use a calculator on the ParaPro math section?

No. Calculators are strictly prohibited. You must perform all operations (fractions, long division, decimals, algebra) manually on scratch paper.

What math topics are covered on the ParaPro test?

Core topics include Number Operations (fractions, decimals, percentages, integers), Algebra (basic linear equations, order of operations), Geometry & Measurement (perimeter, area, unit conversion), and Data Interpretation (mean, median, mode, tables, bar graphs).