Calculation grids (mixed)
Calculation grids (mixed) helps children practise completing a structured table of mixed additions and subtractions for two-digit numbers. Read the short guide and look through the examples before choosing online practice or a printable worksheet.
How to solve this
- A mixed calculation grid uses addition and subtraction: each cell equals the sum or difference of its row and column headers.
- Identify the operation shown for each row (or stated in the instructions) before filling any cell.
- Check each completed cell by reversing the operation with its header pair.
Examples
20 + 30 = ?
50
47 - 12 = ?
35