1.6K views · 12 reactions | SUBTRACTION! This time we reminded ourselves how column subtraction works, using our Number Stacks counters to help demonstrate ‘exchanging’ when the subtraction in a column isn’t possible. Here’s Jess again to show you how… | Number Stacks | Facebook

6.9K views · 31 reactions | In this video, Holly is developing her subtraction by using known number facts to count back in two ‘jumps’ rather than in ones. The counters and tens-frames really help to show the process and boost confidence before attempting it without them. Find out how Number Stacks could help at numberstacks.co.uk/product-info. | Number Stacks | Facebook