CSEC Mathematics/Question 3

JANUARY PAPER 02 · 2020–2025

Question 3.
One action at a time.

Read a figure. Choose a method. Explain why it works. Build the individual skills behind shapes, angles, transformations, constructions and measurement.

5 families16 micro-skills96 learning stages768 practice items

Choose your skill family

Start where you need practice. Prerequisites are visible, and every stage is open to you.

01Shapes & Angles

Analyse Shapes

Use properties, markings and invariants to explain a figure.

3 individual skills 02Shapes & Angles

Reason with Angles

Choose an angle fact and explain every deduction.

3 individual skills 03Transformations

Transform Shapes

Draw, describe and reverse a mapping on a coordinate grid.

5 individual skills 04Constructions

Construct & Locate

Turn geometric conditions into ruler-and-compass constructions.

3 individual skills 05Measurement

Measure & Calculate

Connect accurate measurements, scales and right triangles.

2 individual skills

YOUR ACTIONS · THIS DEVICE

Where you feel secure

Mark stages only after independent practice. Each skill keeps its own choices.

Read shape properties0/6 self-assessed stagesClassify quadrilaterals0/6 self-assessed stagesCompare symmetry and congruence0/6 self-assessed stagesRead and use angle facts0/6 self-assessed stagesReason with parallel lines0/6 self-assessed stagesDerive polygon angles0/6 self-assessed stagesRead grids and translate0/6 self-assessed stagesReflect and infer a mirror line0/6 self-assessed stagesRotate about a centre0/6 self-assessed stagesEnlarge and reconstruct0/6 self-assessed stagesDescribe and combine mappings0/6 self-assessed stagesChoose and construct bisectors0/6 self-assessed stagesConstruct triangles with arcs0/6 self-assessed stagesIntersect two conditions0/6 self-assessed stagesMeasure and use a scale0/6 self-assessed stagesFind lengths with Pythagoras0/6 self-assessed stages

Choices are saved in this browser on this device. These are reversible self-assessments.

Spaced review · 0 stages ready for another attempt

After at least three days, attempt two items without the answer key, including an explanation or another context. Use the review controls in that stage to record whether you retained the method.

No marked stage is due yet. You can revisit any stage whenever you need it.

A SHARED PATTERN · SEPARATE SKILLS

From recognising to transferring

  1. 01Recognise
  2. 02Interpret
  3. 03Perform
  4. 04Select & Adapt
  5. 05Connect & Justify
  6. 06Transfer & Solve

Read representations · Choose a method · Work backward · Justify a step · Verify a result