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WarshaInternational curriculum
Warsha
Grade 7 · Maths
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1. Signed Rational Arithmetic
  1. Add and subtract signed numbers using directed modelsFree lesson
  2. Explain multiplication and division sign patternsIn preparation
  3. Calculate with signed fractions and decimalsIn preparation
  4. Estimate and check a multi-operation resultIn preparation
2. Proportional Relationships
  1. Identify constant unit rates in tablesIn preparation
  2. Represent proportion with y = kxIn preparation
  3. Interpret proportional graphs through the originIn preparation
  4. Distinguish proportional from additive relationshipsIn preparation
3. Percentage Change and Financial Contexts
  1. Find increases and decreases using multipliersIn preparation
  2. Calculate simple discounts and stated chargesIn preparation
  3. Recover an original value from a changed valueIn preparation
  4. Explain successive changes with changing reference quantitiesIn preparation
4. Expressions and Linear Equations
  1. Collect like terms and expand a single bracketIn preparation
  2. Factorise a common factorIn preparation
  3. Solve two-step linear equationsIn preparation
  4. Solve and interpret simple inequalities including reversal under negative scalingIn preparation
  5. Verify a contextual solutionIn preparation
5. Scale Drawings and Constructions
  1. Interpret and use a stated drawing scaleIn preparation
  2. Convert between diagram and actual lengthsIn preparation
  3. Construct triangles from sufficient measurementsIn preparation
  4. Test whether given side lengths can form a triangleIn preparation
6. Angles and Circles
  1. Use vertically opposite and supplementary anglesIn preparation
  2. Explain the triangle angle sumIn preparation
  3. Relate circumference to diameterIn preparation
  4. Calculate circle area and distinguish it from circumferenceIn preparation
7. Solids and Composite Measurement
  1. Interpret cross-sections of solidsIn preparation
  2. Calculate surface area of right prismsIn preparation
  3. Calculate volumes of composite right prismsIn preparation
  4. Choose and check units and included facesIn preparation
8. Sampling and Comparing Groups
  1. Distinguish population and sampleIn preparation
  2. Identify biased selection methodsIn preparation
  3. Compare centre and spread in two groupsIn preparation
  4. Make cautious inferences supported by the sample designIn preparation
9. Probability Models and Experiments
  1. Represent probability from zero to oneIn preparation
  2. List equally likely outcomes systematicallyIn preparation
  3. Compare theoretical and experimental probabilitiesIn preparation
  4. Model simple compound events with lists or treesIn preparation
10. Fair-Game Investigation
  1. Define fairness using an explicit winning criterionIn preparation
  2. Predict outcomes from a probability modelIn preparation
  3. Collect trials and compare results with predictionsIn preparation
  4. Explain uncertainty and revise a gameIn preparation

Angles and Circles

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About this lesson

Use vertically opposite and supplementary angles.

Suggested ages: 12–13. Choose from your child’s existing skills, not age alone.

This lesson is in preparation.

Before this unit

  • Grade 4: Angles, Lines and Symmetry
  • Grade 7: Scale Drawings and Constructions

A structured skills programme, not a school qualification.