Calculation snake with tens
Calculation snake with tens helps children practise following a chain of tens additions and subtractions step by step, in the correct order. Read the short guide and look through the examples before choosing online practice or a printable worksheet.
How to solve this
- A calculation chain links several operations in a row — work strictly from left to right.
- Write down each intermediate result; do not try to skip steps in your head.
- Check by working from right to left using the inverse operations: you should arrive back at the start.
Examples
40 + 20 - 10 = ?
50
36 + 8 - 4 = ?
40