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Year 6 · Maths · SATs revision · Lesson 4

Reasoning: measures and geometry

SATs reasoning practice on measures and geometry: unit conversions, miles and km, time, area, perimeter, volume, circles and angles.

Whiteboard video lesson: Reasoning: measures and geometry

20-minute video lesson

Teaching, worked examples and 20 practice questions solved step by step.

Watch free for a month

What your child will learn

  • Convert units
  • Solve time problems
  • Find area, perimeter and volume
  • Use circle and angle facts

The method

  1. Units match?
  2. Choose fact or formula.
  3. Calculate.
  4. Units in the answer.

Key words: convert, time, area, volume, angle.

Worked examples

The first three practice questions from the lesson, with every step.

Question 1

Convert 3.4 m to cm.

  1. Step 1: 1 m = 100 cm
  2. Step 2: m -> cm: × 100
  3. Step 3: 3.4 × 100 = 340

Answer: 340 cm

Question 2

Convert 4500 ml to l.

  1. Step 1: 1 l = 1,000 ml
  2. Step 2: ml -> l: ÷ 1,000
  3. Step 3: 4500 ÷ 1,000 = 4.5

Answer: 4.5 l

Question 3

Convert 0.65 km to m.

  1. Step 1: 1 km = 1,000 m
  2. Step 2: km -> m: × 1,000
  3. Step 3: 0.65 × 1,000 = 650

Answer: 650 m