Home/First Grade Math/Week 7: Addition up to 20 /Lesson 1
K-5 friendly lesson
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Add by Counting On - Sums Up to 20

šŸš€ Counting on is faster than counting all. Start from the bigger number, then count up.

Lesson 1

Concept

Use the bigger number as your start. Example: 13 + 4 Start at 13, count on 4: 14, 15, 16, 17 Answer: 17 šŸŽÆ **Why it works:** You save time because you do not restart at 1.

Try it

Count on to solve: 1. 12 + 5 = ? 2. 9 + 6 = ? 3. 15 + 3 = ? 4. 11 + 7 = ? 5. 18 + 2 = ?