Year 3 / Grade 3 • Daily Maths Drill
Addition and Subtraction Fluency
Apply efficient strategies to two- and three-digit addition and subtraction.
8 questions • 240-question rotating bank • 30 different sets before a full cycle repeats
8Questions
240Question bank
0Best score
💡 Quick Review
Addition and Subtraction Fluency
Use place value, compensation, partitioning and inverse checking.
Key ideas
- mental addition
- mental subtraction
- written thinking
- estimation
- word problems
Worked example: 298 + 47 = 300 + 45 = 345.
Common trap: Estimate first to catch place-value errors.
Key words
sum — addition result
difference — subtraction result
inverse — undoing operation
compensation — adjusting numbers strategically
estimate — approximate check
How to use this drill: review the short notes when learning, then close them on later attempts and practise from memory. The rotating bank delays a full set repeat for 30 attempts on the same browser.