Fluent adding and subtracting within 1000
Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and the relationship between addition and subtraction
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Can your child add or subtract three-digit numbers like '672 − 348' reliably, choosing whichever method works best for them?
Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and the relationship between addition and subtraction
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Check understanding
- Add two three-digit numbers fluently using an efficient method
- Subtract three-digit numbers fluently, including with regrouping
- Choose the most efficient strategy based on the numbers involved
“Can your child add or subtract three-digit numbers like '672 − 348' reliably, choosing whichever method works best for them?”
Curriculum record
- Type
- Procedural
- Subject
- Mathematics
- Domain
- Addition & Subtraction
- Age range
- Ages 8–9
Standards