Free · Printable · TEKS-aligned
Free Grade 8 Data Analysis & Personal Finance Worksheets
473+ Texas TEKS-aligned practice questions on data analysis & personal finance. Print at home or practice online with a built-in AI tutor. No sign-up. No paywall.
Looking for data analysis & personal finance worksheets for Grade 8? This page has 473+ TEKS-aligned practice questions on this exact topic. Every question goes through an AI quality gate before publishing — no typos, no wrong answer keys, no factually-broken explanations.
Below: a sample of 8 questions with answers and explanations so you can see what's on the worksheet before you print. Each question has the correct choice marked and a one-line "why" so kids who get it wrong understand the fix.
Describe the association shown by this scatter plot: As the number of hours studied increases, test scores tend to increase.
- Negative
- No association
- Positive ✓
Why: When one variable increases as the other increases, the association is positive.
Find the simple interest earned on $100 at 7% per year for 2 years.
- 14 ✓
- 15
- 13
- 16
Why: I = P·r·t = 100 × 0.07 × 2 = 14.
Find the simple interest earned on $300 at 2% per year for 4 years.
- 24 ✓
- 23
- 25
- 26
Why: I = P·r·t = 300 × 0.02 × 4 = 24.
Find the simple interest earned on $1400 at 2% per year for 4 years.
- 114
- 112 ✓
- 113
- 111
Why: I = P·r·t = 1400 × 0.02 × 4 = 112.
Find the simple interest earned on $1600 at 5% per year for 2 years.
- 161
- 162
- 159
- 160 ✓
Why: I = P·r·t = 1600 × 0.05 × 2 = 160.
Find the simple interest earned on $100 at 4% per year for 4 years.
- 16 ✓
- 18
- 15
- 17
Why: I = P·r·t = 100 × 0.04 × 4 = 16.
Find the simple interest earned on $1400 at 7% per year for 4 years.
- 392 ✓
- 394
- 391
- 393
Why: I = P·r·t = 1400 × 0.07 × 4 = 392.
Find the simple interest earned on $1200 at 5% per year for 4 years.
- 239
- 242
- 240 ✓
- 241
Why: I = P·r·t = 1200 × 0.05 × 4 = 240.
Common questions
Are these worksheets really free?
Yes. Free to print, free to practice online. No email, no sign-up, no paywall. We make money from optional paid features (toy redemption with real cents), not from the worksheets.
What TEKS standards does this cover?
This unit aligns to multiple Grade 8 math TEKS standards.
How many total questions are available?
473+ questions in our Grade 8 Data Analysis & Personal Finance bank. Print as many 20-question worksheets as you like — each one pulls a fresh set so your kid doesn't see the same questions twice.
Where do these questions come from?
Generated by our AI pipeline, then quality-gated by two independent models (gpt-4o for content review, Claude Sonnet 4.5 for math verification) before publishing. Every question is tagged to a specific TEKS standard and modeled on real STAAR item shapes.