Subtraction to 100
Subtraction to 100 helps children practise revising subtraction to 100 with regrouping and practising both take-away and difference strategies. Read the short guide and look through the examples before choosing online practice or a printable worksheet.
How to solve this
- Subtracting within 100 in grade 3 should be automatic — practise until you no longer need to count on fingers.
- Strategies: count up from the smaller to the larger number, or decompose and subtract tens then ones.
- Check by adding: answer + subtracted number must equal the starting number.
Examples
83 - 47 = ?
36
92 - 58 = ?
34
71 - 35 = ?
36