Year 2 - Using number skills
Standard 2.NS.1.3 - Practice solving addition sentences with two digit numbers.
Included Skills: Addition
Calculate using mental and written methods • Learners are able to: - mentally add 10 or 20 to a given number up to 100 - mentally subtract 10 or 20 from a given number up to 100 - find small differences within 20 by using ‘counting onÂ’ strategies - use mental recall of number facts to 10 and place value to add or subtract larger numbers, e.g. 24 + 4, 30 + 5, 34 + 10 - find a small difference between two numbers by counting on, e.g. 44 - 28 = ?? - solve one- and two-step problems that involve addition and subtraction, multiplication and simple division including missing number problems, e.g. 40 - ?? = 19 - use partitioning strategies to double and halve 2-digit numbers - understand that multiplication is repeated addition, e.g. 2 + 2 + 2 is the same as ‘three twosÂ’ - add/subtract 9 or 11 from given number by adding/subtracting 10 and adjusting - understand and use mathematical symbols for addition, subtraction, multiplication, division and equals - understand and use the different mathematical terms for addition, subtraction, multiplication, division and equals, e.g. find the total, share, goes into