K-5 friendly lesson
One small step at a time.Read the idea, try the activity, and celebrate each win as you go.
Add by Counting On - Sums Up to 20
๐ Counting on is faster than counting all. Start from the bigger number, then count up.
Do this: Read the concept below, then try the quiz or activity.
Lesson 34 of 180
Concept
Use the bigger number as your start.
Example: 13 + 4 Start at 13, count on 4: 14, 15, 16, 17 Answer: 17
๐ฏ 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 = ?