Math topic
Grade 1 addition and subtraction
Number facts, mental math strategies and multi-digit adding and subtracting. Here is what we have for Grade 1.
Online practice
- Add within 20
- Subtract within 20
- Find the missing number to 20
- Add within 10
- Subtract within 10
- Make ten
- Find the missing part to 20
- Doubles facts
- Near doubles
- Add three numbers
- True or false equations
- Addition word problems to 20
- Subtraction word problems to 20
- Add a two-digit and a one-digit number
- Add a multiple of ten to a two-digit number
- Add tens
- Subtract tens
Addition and subtraction in other grades:KindergartenGrade 2Grade 3Grade 4Grade 5Grade 6Grade 7Grade 8All grades