Addition strategies: Adding Near 10s
The support for each strategy takes the form of three short videos.
Part 1 explains the idea and is an introduction to the strategy.
Part 2 shows the basic skills required for the strategy. The Starting Out level of the Numerical Acumen game should be played after watching this part.
Part 3 shows how basic skills form to make strategy and gives examples of how to apply it. The Moving On level of the Numerical Acumen game should be played after watching this part.