Techno Tortoise – ICT Games January 29, 2016October 18, 2020 adminAdd & Subtract Add to BookmarksUse a number line to model how to add two 2-digit numbers together by adding the tens digit first. Y3Open Activity Other Suggested Activities Dividing Tens - AAAMathsDividing multiples of ten by single digit numbers. (Ignore instructions saying about moving decimal point!)… Adding 9 Fairy - ICT GamesAdd nine by adding 10 then taking away 1. Y1/2 Model Algebra - Math PlaygroundModel and Solve Algebra Equations