Multiply by 5
key notes :
The 5 Times Table 🖐️
Multiplying by 5 means adding 5 repeatedly.
Example:
- 5 × 1 = 5
- 5 × 2 = 10
- 5 × 3 = 15
- 5 × 4 = 20
Counting in 5s 🏃♂️💨
- 5, 10, 15, 20, 25, 30…
- This helps in multiplying quickly.
Shortcut with Even Numbers ⚡
- If the number you multiply by 5 is even, multiply by 10 and divide by 2.
- Example: 5 × 6 → (10 × 6) ÷ 2 = 60 ÷ 2 = 30
Last Digit Trick 🔢
- Numbers multiplied by 5 always end in 0 or 5.
- Example: 5 × 7 = 35, 5 × 8 = 40
Use Real-Life Examples 🍎
- 5 apples × 3 baskets = 15 apples
- 5 pencils × 4 students = 20 pencils
Patterns to Remember ✨
- Odd numbers × 5 → ends in 5
- Even numbers × 5 → ends in 0
Practice Makes Perfect ✍️
- Write the 5 times table repeatedly
- Solve word problems using ×5
Learn with an example
Multiply.
3 x 5 =
This array shows that 3 × 5 = 15. It has 3 rows with 5 dots in each row.
There are 15 dots in all.
3 x 5 = 15
This number line also shows that 3 × 5 = 15. Count by 5s on the number line. Count forward 3 times.
The last arrow ends at 15.
3 x 5 = 15
Multiply.
5 × 8 =
This array shows that 5 × 8 = 40. It has 5 rows with 8 dots in each row.
There are 40 dots in all.
5 × 8 = 40
This number line also shows that 5 × 8 = 40. Count by 8s on the number line. Count forward 5 times.
The last arrow ends at 40.
5 × 8 = 40
Multiply.
6 × 5 =
This array shows that 6 × 5 = 30. It has 6 rows with 5 dots in each row.
There are 30 dots in all.
6 × 5 = 30
This number line also shows that 6 × 5 = 30. Count by 5s on the number line. Count forward 6 times.
The last arrow ends at 30.
6 × 5 = 30
let’s practice!
