Year 1 / Grade 1 • Daily Maths Drill
Addition and Subtraction to 20
Develop flexible addition and subtraction facts within 20.
8 questions • 240-question rotating bank • 30 different sets before a full cycle repeats
8Questions
240Question bank
0Best score
💡 Quick Review
Addition and Subtraction to 20
Use known facts, make 10, doubles and related addition/subtraction facts instead of counting every item from one.
Key ideas
- addition facts
- subtraction facts
- make 10
- doubles and near doubles
- simple word problems
Worked example: 8 + 5 = 10 + 3 = 13.
Common trap: Check whether the story asks for a total or what remains.
Key words
total — amount altogether
difference — result of subtraction
add — combine
subtract — take away or find the difference
related facts — facts using the same numbers
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.