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Year 1 - Number
Standard 1.NS.1.2 - Practice solving addition sentences up to 20.
Number - addition and subtraction • Pupils should be taught to: - read, write and interpret mathematical statements involving addition (+), subtraction (-) and equals (=) signs - represent and use number bonds and related subtraction facts within 20 - add and subtract one-digit and two-digit numbers to 20, including zero - solve one-step problems that involve addition and subtraction, using concrete objects and pictorial representations, and missing number problems such as 7 = __-9.