Home/First Grade Math/Week 12: Subtraction up to 20 /Lesson 2
K-5 friendly lesson
Try one idea, then jump into the activity.These lessons are designed to feel short, friendly, and easy to follow.

Use Ten Frames to Subtract

šŸŸ„ Ten frames make subtraction easy to see. Cross out dots to show taking away.

Lesson 2

Concept

Start with dots in a ten frame, then remove some dots. Example: 10 - 6 ā€¢ Put 10 dots in the frame ā€¢ Cross out 6 dots ā€¢ 4 dots remain So, 10 - 6 = 4 You can also use two frames for numbers bigger than 10.

Try it

Use ten-frame thinking: 1. 9 - 4 = ? 2. 10 - 7 = ? 3. 8 - 3 = ? 4. 14 - 5 = ? 5. 16 - 6 = ?