Review – ways to make a number – sums to 10
key notes :-
๐ฏ What Are Sums to 10?
Sums to 10 are two numbers that add up to 10.
Example: 7 + 3 = 10 ๐
๐ข Number Pairs That Make 10
Here are the important pairs students must remember:
- 1๏ธโฃ + 9๏ธโฃ = 10
- 2๏ธโฃ + 8๏ธโฃ = 10
- 3๏ธโฃ + 7๏ธโฃ = 10
- 4๏ธโฃ + 6๏ธโฃ = 10
- 5๏ธโฃ + 5๏ธโฃ = 10
These are called โMake 10 pairsโ or โFriends of 10โ ๐ฏโโ๏ธ๐
๐จ Use Pictures or Objects to Make 10
Students can use:
๐ Apples
๐งฑ Blocks
๐ต Counters
๐ Stars
to see how two groups combine to make 10.
Example:
๐ต๐ต๐ต + ๐ต๐ต๐ต๐ต๐ต๐ต๐ต = 10
๐ง Why Is โMaking 10โ Important?
โ Helps in fast addition
โ Makes subtraction easier
โ Builds strong number sense
โ Helps with mental math ๐งฎโก
๐ฒ Fun Tricks to Make 10
๐ฏ Think of how many more you need to reach 10.
Example:
If you have 6, you need 4 more to make 10.
๐ฏ Ask yourself:
“6 plus what = 10?” ๐คโก๏ธ4
๐งฉ Use Ten-Frame to Make 10
A ten-frame helps children see how many boxes are filled and how many are empty.
๐ฅ๐ฅ๐ฅ๐ฅ๐ฅ
โฌโฌโฌโฌโฌ
Example:
If 7 boxes are filled ๐ด, then 3 boxes โฌ help make 10.
๐ต Memory Tip โ 10 Friends Song
๐ถ 1 and 9 are friends of 10
๐ถ 2 and 8 are good friends then
๐ถ 3 and 7 get along fine
๐ถ 4 and 6 add up in time
๐ถ 5 and 5 together say “when?”
๐ถ They all make 10! ๐ต๐
Learn with an example
Select all of the ways to make 3.
- 0 + 3
- 3 + 0
- 1 + 2
- 1 + 1
These are ways to make 3:
0 + 3 = 3
3 + 0 = 3
1 + 2 = 3
This is not a way to make 3:
1 + 1 = 2
Which is not a way to make 4?
- 2 + 3
- 0 + 4
- 1 + 3
- 3 + 1
This is not a way to make 4:
2 + 3 = 5
These are ways to make 4:
0 + 4 = 4
1 + 3 = 4
3 + 1 = 4
Which is not a way to make 5?
- 0 + 5
- 3 + 2
- 2 + 3
- 4 + 0
This is not a way to make 5:
4 + 0 = 4
These are ways to make 5:
0 + 5 = 5
3 + 2 = 5
2 + 3 = 5
Let’s practice!๐๏ธ

