About this addition & subtraction practice
Addition & subtraction is taught in KS2 Year 3 (ages 7-8) as part of the England national curriculum. This free practice set covers adding and subtracting 3-digit numbers using mental and written methods through 30 interactive questions, working up from easy warm-ups to harder problems.
What you'll practise
Each session gives you 30 questions in mixed difficulty: a few simple ones to start, some two-step questions next, then word problems at the end. If you get stuck, tap for a hint. After every answer you get a short explanation, right or wrong, so you can see why.
Question types in this set: fill the blank, multiple choice, true or false.
Example question
What is 245 + 130?
Curriculum coverage
This is on the KS2 Maths programme of study for Year 3. The questions follow the same order schools use, starting with concrete examples and moving on to more abstract reasoning, so practice here lines up with what your child is doing in lessons. British English throughout, with British units, currency and spelling.
Frequently asked questions
- What is addition & subtraction in KS2 maths?
- Adding and subtracting 3-digit numbers using mental and written methods. It is on the KS2 maths curriculum for Year 3 and gets revisited in later years too.
- What year group is addition & subtraction taught in?
- Addition & subtraction is first introduced in Year 3. Children usually meet it again in later years as the work gets harder.
- Is the addition & subtraction practice really free?
- Yes. All 30 questions are free, with no signup, no payment and no time limit. Your progress is saved in your browser.
- How does the practice work?
- Each session gives you 10 questions of mixed difficulty. Correct answers add 8 to 12 points to your SmartScore; wrong answers take some off. Get to 80 to mark the concept as complete. Hints are there if you need them, and every answer comes with a short explanation.
Related maths concepts
More practice by year
Practice content matched to the England national curriculum for KS2 (Year 3). Questions use British English throughout.
Get a paper version of these questions with an answer key.