Reach for the Star

Tables charts and time series · Optional extension

L046 · Allow 10–15 minutes for learners ready to move on. Answers are available after an attempt.

Stretch

A pie chart represents 72 people. A sector angle is 135°. Find its frequency.

Reveal a worked check after attempting

135/360×72=27.

Deep challenge

A time-series graph starts its vertical axis at 90 instead of 0. Does this make the data wrong? Explain the risk.

Reveal a worked check after attempting

Values can be correct, but the truncated scale may exaggerate apparent variation; read labelled values.

Recall & Review: feedback and extension integration

Lesson L046: Tables charts and time series

Objective: Represent and interpret categorical data, grouped data and time series.

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 selected an appropriate statistic or representation and supported my comparison or interpretation with specific evidence from the data.

Even Better If (EBI)

I will quote the relevant values or features, compare like with like and explain what the evidence shows without making an unsupported claim.

Stretch and deep challenge

Stretch: A pie chart represents 72 people. A sector angle is 135°. Find its frequency.

Deep challenge: A time-series graph starts its vertical axis at 90 instead of 0. Does this make the data wrong? Explain the risk.