Mathematics·Addition & Subtraction·procedural
Adding and subtracting (age 10+)
Solve addition and subtraction multi-step problems in contexts, deciding which operations and methods to use and why, with numbers up to 10,000,000 and decimals
Suggested ages 10–11
Learning journey
Your child is mastering complex addition and subtraction — solving multi-step problems with large numbers and decimals, and choosing the best strategies to work out challenging calculations.
Evidence of understanding
- Solve a two-step word problem involving addition and subtraction of numbers beyond 1,000,000
- Choose between mental, written, and calculator methods for a multi-step problem and justify the choice
- Interpret a real-life context to identify which addition/subtraction operations are needed across multiple steps
Assessment prompt
If Adding and subtracting (age 10+) is given a complicated word problem involving large numbers or decimals — like calculating the total cost of several items — can they plan and carry out all the steps correctly?
Standards alignment
No external standards are linked to this topic.