Addition facts – sums up to 18
key notes :
๐งฎ Addition Facts โ Sums Up to 18 ๐ฏ
๐ What is Addition?
- โ Addition means putting things together to find out how many in all.
- Example: ๐2 apples + ๐3 apples = ๐๐๐๐๐ 5 apples
๐ก Addition Facts to Remember
These are small number pairs that add up to sums from 1 to 18 ๐ง
| ๐ Facts | ๐งฎ Examples |
|---|---|
| 1๏ธโฃ to 5๏ธโฃ | 1+1=2, 2+2=4, 3+2=5 |
| 6๏ธโฃ to 1๏ธโฃ0๏ธโฃ | 4+2=6, 5+3=8, 6+4=10 |
| 1๏ธโฃ1๏ธโฃ to 1๏ธโฃ5๏ธโฃ | 7+4=11, 8+5=13, 9+6=15 |
| 1๏ธโฃ6๏ธโฃ to 1๏ธโฃ8๏ธโฃ | 8+8=16, 9+8=17, 9+9=18 |
๐ฒ Fun Ways to Learn Addition
- ๐งฑ Use blocks or counters to count and add.
- ๐ Play number card games โ match pairs that make a sum.
- ๐จ Color-by-sum worksheets โ color spaces with the right answers.
- ๐ถ Sing addition songs to remember sums easily! ๐ต
๐ข Number Bonds ๐
Number bonds show two numbers that make a total.
Example:
๐ 9 can be made as โ 8+1, 7+2, 6+3, 5+4
๐งก Zero and Doubles Facts
Zero Facts: Adding 0 changes nothing (๐ค 5+0=5)
Doubles Facts: Same numbers added together ๐ฏ
- 1+1=2
- 2+2=4
- 3+3=6
- 4+4=8
- 5+5=10
- 6+6=12
- 7+7=14
- 8+8=16
- 9+9=18
๐ Strategies for Fast Addition
- ๐๏ธ Count on: Start from the bigger number and count forward.
๐ Example: 7+2 โ 7, 8, 9 = โ 9 - ๐ Make 10: 8+2=10, 9+1=10
- ๐ซ Use Doubles: If you know 6+6=12, then 6+7 is just one more โ 13
๐ Practice Makes Perfect!
๐ฏ Try to memorize all addition facts up to 18
๐ฎ Play math games ๐งฉ
๐ Solve daily practice problems
๐ฅ Why Itโs Important
Learning these facts helps you:
- ๐ง Add faster
- ๐ช Build strong math skills
- ๐ Get ready for bigger numbers and subtraction
Learn with an example
๐ฏ Add: 7 + 9 = ___
You can count up to add. It is easier to start with the larger number. Start from 9 and count up 7:
9, 10, 11, 12, 13, 14, 15, 16
7 + 9 = 16
- The sum is 16.
๐ฏ Add: 5 + 7 = ___
You can count up to add. It is easier to start with the larger number. Start from 7 and count up 5:
7, 8, 9, 10, 11, 12
5 + 7 = 12
- The sum is 12.
๐ฏ Add: 1 + 7 = ___
You can count up to add. It is easier to start with the larger number. Start from 7 and count up 1:
7, 8
1 + 7 = 8
- The sum is 8.
Let’s practice!

