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Doorway Online

Free accessible educational activities that learners will find easy to use independently.

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  • Literacy
    • First Phonics
    • Letter and Number Formation
    • Speller 2
      • 1200 Common Words
    • Old Activities >
      • First Blends
      • First Sounds
      • First Words
  • Number
    • Old Activities >
      • Add and Subtract to 10
      • Add and Subtract to 100
      • Count Me In
      • Number Table
      • Odd and Even
      • Up to 10
  • Time and Money
    • Cashing In
    • Old Activities >
      • About Time
      • Supermarket
      • Till We Meet Again
  • Typing
    • Text Type 3
    • Old Activities >
      • TT3 phase 2
  • Memory and Matching
    • Old Activities >
      • Find the Pairs (Pelmanism)
      • Moving Targets
      • Same or Different

Add and Subtract to 100

The suite uses animated tens and units “blocks” to give learners experiences from place value to the full notation of addition and subtraction bridging ten. Explore: See the effect of adding units or tens and taking then away. Make the Number: An activity with a learning mode and an assessment mode. What’s the number? Identify the number made by the blocks. Sums with blocks Addition and Subtraction including the bridging of ten. Written Sums: Notation of sums, including carrying and decomposition.

Note: As Adobe Flash is no longer in use worldwide, if you wish to continue to use this version, you will need to download the Doorway Activity Pack.

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