K-5 friendly lesson
One small step at a time.Read the idea, try the activity, and celebrate each win as you go.
Complete the Addition Sentence to Make Ten
š§© Let's play "Make Ten"! This is a super important puzzle in math. We need to find the "friend" number that helps another number get to 10.
Do this: Read the concept below, then try the quiz or activity.
Lesson 30 of 180
Concept
"Making ten" is a key strategy for all addition.It helps to know which number pairs add up to 10 instantly.
šÆ Using a Ten Frame:
A ten frame is a box with 10 spots.It's the perfect tool for this!
Imagine a ten frame with 6 dots in it:
* [ā«ļøā«ļøā«ļøā«ļøā«ļø]
* [ā«ļøāŖļøāŖļøāŖļøāŖļø]
Question: How many empty spots are there ?
Answer : There are 4 empty spots.
So, the missing "friend" number for 6 is 4!
6 + 4 = 10 The "Friends of 10" Pairs:
You should know these pairs by heart!
* 1 + 9 = 10
* 2 + 8 = 10
* 3 + 7 = 10
* 4 + 6 = 10
* 5 + 5 = 10
...and their turnarounds(9 + 1, 8 + 2, etc.)Try it
Let's practice finding the "Friends of 10"!
Instructions: Fill in the blank to complete the sentence and make 10.
1. 7 + ___ = 10 2. 2 + ___ = 10 3. 5 + ___ = 10 4. 9 + ___ = 10 5. ___ + 4 = 10 6. ___ + 0 = 10
š Ten Frame Drawing: Draw a ten frame for each problem to help you find the missing number. 7. 8 + ___ = 10 * Draw a ten frame with 8 dots.How many are empty ?
8. 1 + ___ = 10 * Draw a ten frame with 1 dot.How many are empty ?