Addition and Subtraction

Year 1

Year  2

Year 3

Year 4

read, write and interpret mathematical statements involving addition (+), subtraction (-) and equals (=) signs

solve problems with addition and subtraction using concrete objects and pictorial representations, including those involving numbers, quantities and measures

add and subtract numbers mentally, including a three-digit number and ones

add and subtract numbers with up to 4 digits using the formal written methods of columnar addition and subtraction where appropriate

represent and use number bonds and related subtraction facts within 20

solve problems with addition and subtraction applying his/her increasing knowledge of mental and written methods

add and subtract numbers mentally, including a three-digit number and tens

estimate and use inverse operations to check answers to a calculation

add and subtract one-digit and two-digit numbers to 20, including zero

recall and use addition and subtraction facts to 20 fluently, and derive and use related facts up to 100

add and subtract numbers mentally, including a three-digit number and hundreds

solve addition and subtraction two-step problems in contexts, deciding which operations and methods to use and why

solve one-step problems that involve addition and subtraction, using concrete objects and pictorial representations, and missing number problems such as 7 =? - 9

add and subtract numbers using concrete objects, pictorial representations, and mentally, including a two-digit number and ones

add and subtract numbers with up to three digits, using formal written methods of columnar addition and subtraction

 

 

add and subtract numbers using concrete objects, pictorial representations, and mentally, including a two-digit number and tens

estimate the answer to a calculation and use inverse operations to check answers

 

 

add and subtract numbers using concrete objects, pictorial representations, and mentally, including two two-digit numbers

solve problems, including missing number problems, using number facts, place value, and more complex addition and subtraction

 

 

add and subtract numbers using concrete objects, pictorial representations, and mentally, including adding three one-digit numbers

 

 

 

show that addition of two numbers can be done in any order (commutative) and subtraction of one number from another cannot

 

 

 

recognise and use the inverse relationship between addition and subtraction and use this to check calculations and solve missing number problems