Mid-Week Mini-Lesson

Week 9 · Math — Targeted Gaps

~15 minutes · between sessions

A quick five aimed at the slips students repeat most — the sign flip, percent, function evaluation, systems, and growth. Press Check my work to see how you did, then Save & email my results so your instructor sees your progress before the next lesson.

Student name

Q1Targeted review

Solve: −2x + 1 > 5

Ax < −2 Bx > −2 Cx < 2 Dx > 2

Answer: A

−2x > 4; divide by −2 and flip the sign → x < −2.

Q2Targeted review

What is 30% of 90?

A18 B30 C27 D60

Answer: C

0.30 × 90 = 27.

Q3Targeted review

If f(x) = x² − 1, what is f(5)?

A24 B9 C26 D11

Answer: A

f(5) = 25 − 1 = 24.

Q4Targeted review

If x + 2y = 10 and x = 4, what is y?

A2 B3 C4 D6

Answer: B

4 + 2y = 10 → 2y = 6 → y = 3.

Q5Targeted review

A quantity starts at 10 and triples each step. What is its value after 2 steps?

A60 B90 C30 D900

Answer: B

10 × 3² = 10 × 9 = 90.

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How the email button works

Already wired. This mini-lesson posts to your Formspree endpoint formspree.io/f/mpqgdkww — when a student submits, you get an email with their name, every answer, and the score.

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