• Skip to primary navigation
  • Skip to content
  • Skip to footer

Doorway Online

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

  • Home
  • About
  • Thanks
  • Activity CD
  • Contact

Donate to Doorway Online

  • Literacy
    • Letter and Number Formation
    • First Sounds
    • First Words
    • First Blends
    • Speller
    • Doorway Talking Computer
    • Talking Tasks
  • Number
    • Odd and Even
    • Up to 10
    • Number Table
    • Count Me In
    • Add and Subtract to 10
    • Add and Subtract to 100
  • Time and Money
    • About Time
    • Cashing In
    • Till We Meet Again
    • Supermarket
  • Typing
    • Text Type 3 – Phase 1
    • Single Handed Typing
    • Text Type 2
  • Memory and Matching
    • Moving Targets
    • Same or Different
    • Find the Pairs (Pelmanism)

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.


Using a desktop computer? Get Adobe Flash Player.


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.

Footer

Social

Facebook
Facebook
Twitter
Visit Us
Follow
Google+
http://www.doorwayonline.org.uk/number/addandsubtract100">
RSS Feed

Our Funding Bodies

Doorway Sponsor Logos

Font Size

A Decrease font size. A Reset font size. A Increase font size.

This site is provided by the Doorway Accessible Software Trust, a charity registered in Scotland, no. SC042166. Website by Thomas Lee.
By using this website you are agreeing to our Terms of Service and Privacy Policy.
Call Scotland University of Edinburgh
We use cookies to ensure that we give you the best experience on our website. If you continue to use this site we will assume that you are happy with it.OkRead more