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Key Stage 1 - Number
Standard KS1.NS.1.2 - Complete the subtraction sentence by filling in the missing number with operands up to 18.
Patterns, Relationships and Sequences in Number â€¢ Pupils should be able to: - copy, continue and devise repeating patterns; - explore patterns in number tables; - understand the commutative property of addition and the relationship between addition and subtraction; - understand the use of a symbol to stand for an unknown number; - understand and use simple function machines.