Math topic · United States
Addition and subtraction
Number facts, mental math strategies and multi-digit adding and subtracting.
Online practice
- Add within 5 Kindergarten
- Subtract within 5 Kindergarten
- Add within 10 Kindergarten
- Subtract within 10 Kindergarten
- Make ten Kindergarten
- Break apart numbers to 10 Kindergarten
- Addition word problems within 10 Kindergarten
- Subtraction word problems within 10 Kindergarten
- Add within 20 Grade 1
- Subtract within 20 Grade 1
- Find the missing number to 20 Grade 1
- Add within 10 Grade 1
- Subtract within 10 Grade 1
- Make ten Grade 1
- Find the missing part to 20 Grade 1
- Doubles facts Grade 1
- Near doubles Grade 1
- Add three numbers Grade 1
- True or false equations Grade 1
- Addition word problems to 20 Grade 1
- Subtraction word problems to 20 Grade 1
- Add a two-digit and a one-digit number Grade 1
- Add a multiple of ten to a two-digit number Grade 1
- Add tens Grade 1