Maths topic · Ireland
Addition and subtraction
Number facts, mental maths strategies and multi-digit adding and subtracting.
Online practice
- Add within 5 Senior Infants
- Subtract within 5 Senior Infants
- Add within 10 Senior Infants
- Subtract within 10 Senior Infants
- Make ten Senior Infants
- Break apart numbers to 10 Senior Infants
- Addition word problems within 10 Senior Infants
- Subtraction word problems within 10 Senior Infants
- Add a sound to make a new word Senior Infants
- Add within 20 First Class
- Subtract within 20 First Class
- Find the missing number to 20 First Class
- Add within 10 First Class
- Subtract within 10 First Class
- Make ten First Class
- Find the missing part to 20 First Class
- Doubles facts First Class
- Near doubles First Class
- Add three numbers First Class
- True or false equations First Class
- Addition word problems to 20 First Class
- Subtraction word problems to 20 First Class
- Add a two-digit and a one-digit number First Class
- Add a multiple of ten to a two-digit number First Class