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SAT Reading and Writing · Information and Ideas

Command of Evidence — Quantitative

Quantitative Command of Evidence pairs a short passage with a table, graph, or bar chart and asks you to choose data that completes or supports a claim. Success depends less on math and more on reading the graphic carefully: axis labels, units, and which category a number belongs to. The right answer is both accurate to the data and relevant to the claim in the text.

Quick answer

Quantitative Command of Evidence is a digital SAT Reading and Writing skill that pairs a short passage with a table or graph and asks you to choose data that accurately supports a claim, testing careful figure-reading more than calculation.

What it tests

  • Reading values off a table, bar graph, line graph, or scatterplot accurately
  • Selecting data that supports a specific claim made in the accompanying passage
  • Attending to units, axis labels, and legends so you compare the right quantities
  • Rejecting answer choices that misstate the data or cite the wrong row or category

Common mistakes

  • Misreading the axis or ignoring the units, so a plausible-sounding value is actually wrong
  • Choosing a data point that is accurate but doesn't support the claim being made
  • Confusing two categories or rows in a table under time pressure
  • Picking a comparison the graphic doesn't actually show (for example, a trend when only two points exist)

How to improve

  • Read the graphic's title, axes, and units before you read the answer choices
  • Restate the claim in the passage and decide what number would support it
  • Verify every choice against the figure, checking that both the value and the category match
  • Watch for choices that flip a comparison, such as 'greater than' when the data shows 'less than'
  • Practice with real charts so reading labels and legends becomes automatic

Drill Command of Evidence — Quantitative with adaptive practice

Claros builds an adaptive practice set around your weakest skills and keeps the difficulty honest, so every command of evidence — quantitative question is calibrated to where you actually are.

Related SAT Reading and Writing skills

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Frequently asked questions

Is Quantitative Command of Evidence a math question?
Not really — it lives in the Reading and Writing section and rarely needs calculation. The work is reading the graphic accurately (axes, units, categories) and matching a data point to the claim in the passage.
How is Quantitative Command of Evidence tested on the SAT?
You get a passage plus a table, bar chart, line graph, or scatterplot, and you select the option that both reads the data correctly and supports the specific claim the text makes.
What's the most common mistake on these questions?
Misreading an axis or units, or picking a value that is accurate but doesn't actually support the claim. Read the graphic's title, axes, and units before looking at the choices.