Concept 3 of 6
Make Ten to Add
Today's big idea
Fill one number up to ten, then add what is left.
9 + 5: give 1 to make 10, and 4 is left. 10 + 4 = 14.
How it works
👀 What's going on?
9 + 5 can feel hard. Making a ten makes it easy.
💡 Here's the trick
Move just enough from one number to fill the other up to ten, then add what is left.
9 + 5: give 1 to the 9 to make 10, and 4 is left. 10 + 4 = 14.
✍️ Try it
8 + 6: give 2 to make 10, and 4 is left. 10 + 4 = 14.
⚠️ Watch out
Move only enough to make ten, then add the leftover.
Watch me solve one
Quanta solves it
“Watch how I think through one of these — then you try.”
THE PROBLEM
“What is 8 + 6?”
- 1
Make a ten first
Give 2 from the 6 to the 8 to make 10.
- 2
Add the leftover
4 is left, so 10 + 4.
- 3
Answer ✓
8 + 6 = 14
Now you try one — same steps, different story 👇
See it in action
⚡ Time to play!
How many does 9 need to reach ten? Take it from the 5.
9 + 5
9 + ? = 10
Quick check
✅ VERIFICATION
Use make ten: 7 + 5 = ?
⚡ Finish the activity above first to answer.
Keep going!
Up next: Subtracting Within 20
Start at the number and count back.