GMAT Quantitative Reasoning
21 questions in 45 minutes. Focus Quant is problem solving with algebra and arithmetic reasoning — not the old geometry-heavy grind. We train what the score uses now.
Section Structure
What You Face
- 21 Q · 45 minutes
- Problem Solving emphasis
- Section score 60–90
How to Train
- Master algebra translations
- Timed sets of 10–12
- Log careless vs content misses
Content Areas
Algebra & Word Problems
Equations, rates, work, mixtures.
Arithmetic & Number Properties
Percents, ratios, exponents, properties.
Applied Reasoning
Efficiency, estimation, trap answers.
Pacing
~2 minutes average—skip rules matter.
What Actually Costs Points On GMAT Focus Quant
Send a friend this page if they still grind classic geometry sets or reach for a calculator on Focus Quant.
Focus Quant is 21 Problem Solving questions in 45 minutes with no calculator — algebra, arithmetic, word problems, and stats reasoning under an adaptive clock. Official Focus practice owns difficulty; prompts here build setup and triage. Use pacing + tonight’s checklist, then stop AI for mba.com sets.
Quant Pacing Under 21Q / 45 Minutes
Send this if they gold-plate early algebra and rush the last five with blanks.
Focus Quant: 21 questions in 45 minutes — about two minutes average. Pace is a bank across the section. Adaptivity punishes both spirals and reckless guessing streaks; train triage, not pride on item one.
Setup Before Arithmetic
Asked / givens / equation first. Opening choices before a model invites intermediate traps.
Hard Cap On Marriage
About 90–120 seconds stuck after one clean setup: best choice or flag. Returning is allowed; expanding the same mess is not.
Tool Match, Not Tool Habit
Forward solve, backsolve, estimate — pick from structure. Log which tool failed so repair is specific.
Checkpoint Mid-Section
Around minute 22–24, glance at questions done. If behind, shrink investment on the next ugly algebra immediately.
Endgame Protects Blanks
Last 4–5 minutes: flags and unanswered items. Educated elimination beats a blank on an adaptive section.
No Calculator Side Quests
If your drill plan still uses a calculator for Focus Quant, delete it. Mental math and fraction fluency are part of the skill.
45-Minute Shape
- Open (~first 12 min) — Full process on early items. Bank clean wins; do not gold-plate easy arithmetic.
- Mid (~minute 22) — Checkpoint pace. If behind, cut spiral time on the next stem.
- Late (last ~10 min) — Protect unfinished items. Prefer short setups and elimination over heroic algebra.
Last Four Minutes
Stop rewriting systems for elegance. Sweep flags, fill blanks, trust first clean setups unless you misread the asked quantity.
When Pacing Still Breaks
Always behind: you are computing before translating — force Asked/Givens/Equation on every item for one week. Finish early with misses: you are skipping the asked-quantity box — slow the last line, not the clock-out. Arithmetic dumps you: 5 minutes daily no-calc number sense before mixed timed sets.
Common Traps
Geometry-First Hangover
format
Looks right because: Legacy GMAT books and forums still lead with heavy plane geometry volume.
Do this instead: Focus Quant is not a geometry-first grind. Prioritize algebra translations, number properties, ratios/percents, rates/work, and applied stats. Geometry-heavy queues steal hours from what the score uses now.
Calculator Reach Reflex
format
Looks right because: Other sections (and school habits) train “compute first.”
Do this instead: There is no calculator on Focus Quant. Train mental arithmetic, fraction sense, and estimation on paper. On-screen calc lives on Data Insights only — do not practice Quant with a calc crutch.
Setup Skip → Arithmetic Spiral
process
Looks right because: The stem looks like a quick plug-in.
Do this instead: Write what is asked, define variables, and translate English → math before grinding. Most “careless” misses are setup misses. One clean equation beats three messy loops.
Marriage To One Ugly Algebra Line
timing
Looks right because: You almost have it; one more expansion will crack it.
Do this instead: Hard cap (~90–120 seconds stuck after one clean setup). Flag, pick best supported choice or educated guess, move. Empty later bubbles cost more than one heroic save on item seven.
Answer-Choice Backsolve As Default
process
Looks right because: Plugging C is fast on easy items and feels safe.
Do this instead: Backsolve and estimate are tools, not the only method. If translation is clean, solve forward. If choices are messy fractions and the stem is a system, pick the tool that matches the structure — log which tool failed on misses.
Trap Answers From Half-Done Work
careless
Looks right because: Your intermediate value is sitting in the choices.
Do this instead: Focus loves the value one step early (forgot to convert units, left a ratio as a percent, answered for x when they asked 2x). Box the question (“what exactly?”) before you pick.
Untimed Accuracy Cosplay
timing
Looks right because: Clean untimed problem sets feel like a rising ceiling.
Do this instead: Quant is scored under time and adaptivity. Pair content repair with timed 8–12 item mixed sets from official Focus materials or you will invent a fake score.
Ignoring Equal-Weight DI While “Fixing Math”
process
Looks right because: Quant feels like the real quantitative skill, so DI can wait.
Do this instead: Data Insights is one-third of the total Focus score. A Quant-only month that starves DS/tables/multi-source leaves points on the table. Keep a thin DI thread alive even in a Quant repair block.
Worked Example: Translate Before You Compute
Illustrative walkthrough — not an official test item. AI is a tutor layer; official practice owns your score.
Setup
Illustrative (not official GMAT): A store marks an item up 25% from cost, then discounts the marked price 20%. A trap choice is “net +5%” (25−20). Another trap is the intermediate marked price when the question asked final price as a percent of cost.
Why The Tempting Path Fails
Tempting path: subtract percents, or stop after computing the marked price because that number appears in the choices. Both skip the full path cost → mark → discount → answer the asked quantity.
Why The Better Path Wins
Let cost = 100. Marked = 125. After 20% off: 100. Final = 100% of cost (net 0%), not +5%. Box “final as % of cost,” walk one clean path, then match. Estimation (25% up then ~1/5 off the new price) should land near par, not +5.
Keep This Habit
Define a base, write the full chain, and re-read the asked quantity before touching choices.
10-Minute Setup + Trap Drill
About 10 minutes · do this tonight
- Open official Focus Quant practice or a trusted PS set: 4 mixed items (word problem, percent/ratio, properties, rates).
- For each: write Asked / Givens / Equation before arithmetic. No calculator.
- Answer under ~2 minutes average; flag at 90–120s stuck after setup.
- Review only misses. Tag: setup · trap-intermediate · arithmetic · timing.
- If two-plus setup misses, redo two stems setup-only (no choices) before another timed set.
Tag misses: conceptual · process · careless · timing
When To Stop AI And Open Official GMAT
Use Quant prompts here for setup drills and triage. Then close the chat. Score truth is official Focus practice on mba.com. Full book/stack guidance lives on GMAT Resources.
Tonight’s GMAT Quant Checklist
No calculator. Official practice owns the score. One focused sitting.
- Confirm mba.com / Official Focus practice access on your device.
- Tonight’s focus: algebra/word problems OR percents/ratios/properties — not both plus a full mock.
- Write Asked / Givens / Equation on every item for one 4–6 item timed set (no calc).
- Tag misses: setup · trap-intermediate · arithmetic · timing.
- Cut any classic geometry-first queue still on this week’s plan if Focus Quant is the goal.
- Keep one short DI touch this week even during Quant repair (equal-weight total).
- Stop AI for a timed official Quant set when process is clear.
Quick Answers
Is there a calculator on GMAT Focus Quant?
No. Focus Quantitative Reasoning is no-calculator Problem Solving. An on-screen calculator is available on Data Insights only. Confirm on mba.com for your exam.
How long is GMAT Focus Quant?
21 questions in 45 minutes. Average time is a guide only — train a hard cap on spirals and a mid-section checkpoint on official timed sets.
Should I still grind lots of geometry for Focus Quant?
Not as the primary queue. Emphasize algebra, arithmetic, word problems, and applied stats reasoning. Legacy geometry-heavy books train the wrong mix for Focus.
Can AI replace official GMAT Quant practice?
No. Prompts build setup, triage, and repair plans. Score truth is official Focus practice from mba.com / GMAC. Verify every gain there.
What To Do With This
- Quant: Asked / Givens / Equation before arithmetic — no calculator.
- Cut geometry-first and SC-era queues; train Focus mix.
- Hard cap spirals; protect blanks in the last minutes.
- Keep DI alive; it is equal weight on the total score.
- Close the chat for official timed Quant; bring miss tags back to prompts on this page.
AI Prompts for Your Situation
Pick a tab → Copy → send. No form to fill. Optional lines are skippable. Official practice is score truth; these are the tutor layer between full-lengths.
GMAT Focus Quant Practice Set
Best for: Quant practice
Focus Quant PS set — no calculator, no geometry-first grind unless asked.
Create a GMAT Focus Quantitative Reasoning practice set. EASY START: Copy → send with zero edits. Use the default set below. Override topic only if you want (one optional line). Default set (send as-is): 8 Critical Reasoning assumption items. OPTIONAL — skip freely (1 line max): - Different topic than the default? One line: HARD CONSTRAINTS: - Focus Quant: 21Q / 45m; Problem Solving; NO calculator - Avoid geometry-heavy classic GMAT grind unless student asked for geometry - Question-adaptive mindset: don’t sink 4 minutes early - Not official GMAC items DELIVER items with Easy/Medium/Hard; full solutions; traps; time budget; 15-min follow-up; official section transfer note.
Long prompts are copied fully; if a chat link is too long, we copy the prompt and open a short paste instruction.