Number - addition and subtraction

solve problems with addition and subtraction:

using concrete objects and pictorial representations, including those involving numbers, quantities and measures

applying their increasing knowledge of mental and written methods

This is one of my favourite sections of my website as there are so many great activities. Be aware, however, that there is a wide range of levels of challenge on this page, which will pupils much older that Year 2 children. There is still plenty for your pupils here!

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

add and subtract numbers using concrete objects, pictorial representations, and mentally, including:

a two-digit number and ones

a two-digit number and tens

two two-digit numbers

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

Scroll down to find my great video Terrific triangles - addition and subtraction as well as Number Fact Families

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