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Bridging 100: counting on and back in 10s, adding/subtracting multiples of 10

Year 3 • Maths

Choose a lesson (5)

  1. Find 10 more or 10 less than a given number
  2. Cross the hundreds boundary when adding and subtracting any 2-digit multiple of 10
  3. Count across and on from 100
  4. Bridge 100 by adding or subtracting a single-digit number
  5. Represent a 3-digit number up to 199 in different ways