First Numbers is a series of graded activity books that help children to learn basic number skills, including addition and subtraction. First Numbers Book 4 includes: finding the 'difference' between larger and smaller numbers, subtraction by taking away or counting on/back, using a subtraction sign (-) and subtracting with one number hidden.
This is Book 4 in the First Numbers Series. See all First Numbers books here.
See More Early learning: numbers & counting
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