STAAR Grade 8 Data Analysis, Personal Financial Literacy, and Probability. Practice it free.

Interpret data, analyze chance, and apply personal financial literacy concepts in practical situations. This Grade 8 reporting domain maps to 6 practice skills and 8 representative questions from the playable bank.

Grade 846 mapped skills
What the test measures

Data Analysis, Personal Financial Literacy, and Probability skills

  1. represent and analyze bivariate data

  2. describe patterns of association

  3. use probability concepts in investigations

  4. solve problems involving personal financial literacy

  5. TEKS mathematical process standards applied to grade 8 content

Standards basis

Texas Essential Knowledge and Skills (TEKS) for Mathematics — Texas

How the STAAR reports it

STAAR math is a Texas state assessment built on the Texas Essential Knowledge and Skills (TEKS), not a Common Core framework. Texas publishes explicit STAAR reporting categories by grade/course, with item reporting aligned to TEKS content strands and student expectations.

Blueprint & weighting

TEA’s publicly visible STAAR Mathematics Resources page does not publish item weights in the page content reviewed here. The category structure is explicit, but no percentage blueprint was visible in the sourced materials.

Practice by skill

Topics mapped to this domain

Percent problems

Grade 7213 questions

Percent proportion word problems

Grade 710 questions

Simple interest

Grade 730 questions

Table problems with percents and ratios (ACT)

Grade 710 questions

Sampling and inference

Grade 715 questions

Scatterplots and trend lines

Grade 818 questions
Try it now

8 free questions · 0/0 correct

Practice playeasy

Sales tax is 10%10\%. What is the tax on a $80\text{\char36}80 purchase?

Tax: 0.1×$80=$8.00.1 \times \text{\char36}80 = \text{\char36}8.0.

Practice playmedium

The price of a laptop decreased from $800\text{\char36}800 to $680\text{\char36}680. What is the percent decrease?

Decrease =800−680=120= 800 - 680 = 120. Percent decrease =120800=0.15=15%= \dfrac{120}{800} = 0.15 = 15\%.

Practice playeasy

Find the simple interest on $300\text{\char36}300 at 4%4\% per year for 11 year.

I=300×0.04×1=$12I = 300 \times 0.04 \times 1 = \$12.

Practice playmedium

Two store locations report inventory and the percent sold. How many more items were sold at the South store than at the North store?
StoreInventoryPercent soldNorth20025%South16050%\begin{array}{l|c|c} \text{Store} & \text{Inventory} & \text{Percent sold} \\ \hline \text{North} & 200 & 25\% \\ \text{South} & 160 & 50\% \end{array}

North sold 200⋅0.25=50200\cdot 0.25=50 items. South sold 160⋅0.50=80160\cdot 0.50=80 items. Difference: 80−50=3080-50=30 items.

Practice playeasy

A random sample of 12 contained 3 successes. What is the sample proportion (as a simplified fraction)?

Proportion =312=14= \dfrac{3}{12} = \dfrac{1}{4}.

Practice playeasy

A trend line for miles jogged xx and calories burned yy is y=90x+20y = 90x + 20. How many calories does the line predict for a 44-mile jog?

y=90(4)+20=360+20=380y = 90(4) + 20 = 360 + 20 = 380 calories.

Practice playeasy

What is a 15%15\% tip on a $200\text{\char36}200 bill?

Tip: 15100×$200=$30\frac{15}{100} \times \text{\char36}200 = \text{\char36}30.

Practice playeasy

A customer buys a desk for $250\text{\char36}250 and pays 7%7\% sales tax on the purchase. How much is the sales tax, in dollars?

Tax =0.07×250=17.50= 0.07 \times 250 = 17.50 dollars.

Keep practicing

Turn data analysis, personal financial literacy, and probability into game time.

The STAAR placement starts with this test's real coverage map and finds the right difficulty.

Sprout RowPlay →Batting Cage game coverBatting CagePlay →Blaster Gate game coverBlaster GatePlay →Blitz Tanks game coverBlitz TanksPlay →
Related Common Core standards
7.RP.A.37.SP.A.28.SP.A.3
Data Analysis, Personal Financial Literacy, and Probability in other STAAR grades
Grade 6Grade 7
Source and test overview
All STAAR prepOfficial test source
Reporting categories

More Grade 8 domains

Numerical Representations and RelationshipsRepresent numbers, understand relationships among them, and reason quantitatively.8 QsPractice →Computations and Algebraic RelationshipsUse computation and algebraic reasoning to solve problems involving number relationships.8 QsPractice →Geometry and MeasurementUse geometric attributes and measurement concepts to solve problems.8 QsPractice →