Introduce the vertical addition algorithm with these teaching slides, showing students how to solve 3 digit addition problems using hundreds, tens and ones columns. Students explore when and how to regroup when a column adds to 10 or more, then practise solving addition problems step by step.
What's included:
Introductory slides explaining what an algorithm is and how to record addition using the hundreds, tens and ones columns
Worked examples using the algorithm alongside visual place value models, with clear regrouping explanations
9 practice slides for students to solve independently, with answers revealed one at a time