Reach for the Star

Cumulative checkpoint 2 and feedback · Optional extension

L040 · Allow 10–15 minutes for learners ready to move on. Answers are available after an attempt.

Stretch

A cylinder has radius 4 cm and height 5 cm. Find its volume exactly, then state the units of surface area.

Reveal a worked check after attempting

80π cm³; surface area uses cm².

Deep challenge

A learner uses 8²+15²=17 in a Pythagoras check. Identify and repair the error.

Reveal a worked check after attempting

8²+15²=289=17², not 17; the hypotenuse is √289=17.

Recall & Review: feedback and extension integration

Lesson L040: Cumulative checkpoint 2 and feedback

Objective: Apply and explain earlier number, algebra and geometry independently.

60-minute structure: 0-7 Connect & Check; 7-14 Share; 14-25 Present/model; 25-44 Apply route choice/practice; 44-52 independent exam-style check; 52-60 Recall & Review, WWW/EBI and next step.

What Went Well (WWW)

I used my working and assessment evidence to identify the exact mathematical step that was secure and the specific misconception that needs attention.

Even Better If (EBI)

I will correct one precise step, explain why the correction works and complete a fresh delayed question without the original scaffold.

Stretch and deep challenge

Stretch: A cylinder has radius 4 cm and height 5 cm. Find its volume exactly, then state the units of surface area.

Deep challenge: A learner uses 8²+15²=17 in a Pythagoras check. Identify and repair the error.