Mathematics
Addition & Subtraction
Procedural
6–7 yrs
Adding within 100
100以内的加法
Description
Add within 100 using strategies based on place value, including adding a two-digit and one-digit number, and a two-digit and a multiple of 10
Mastery Evidence
- Calculate 46 + 7 using place value (46 + 4 + 3 = 53)
- Calculate 38 + 40 = 78 using tens understanding
- Relate the strategy to a written method and explain the reasoning
Assessment Prompt
Can your child work out sums like '47 + 8' or '35 + 50' by thinking about the tens and ones separately rather than counting up one at a time?
