Multiplication facts up to 10: find the missing factor
key notes :
Understanding Multiplication
- Definition: Multiplication is a way to add a number to itself a certain number of times.
- Example: 4 × 3 means adding 4 three times (4 + 4 + 4).
Multiplication Facts Up to 10
- Basic Facts: Focus on multiplication facts involving numbers from 1 to 10.
- Example: 7 × 5 = 35
Identifying Missing Factors
- Missing Factor in a Multiplication Equation: Sometimes, one factor is missing, and you need to find it.
- Example: For 6 × ? = 42, find the missing factor by solving for ?.
Strategies to Find Missing Factors
- Division: Use division to find the missing factor.
- Example: If 8 × ? = 64, divide 64 by 8 to find the missing factor. 64 ÷ 8 = 8.
- Using Multiplication Tables: Refer to multiplication tables to find which number, when multiplied by the known factor, equals the given product.
Learn with an example
Fill in the missing number.
5 × ___ =15
You can find the missing number by using a multiplication fact you know. Or, you can list facts for multiplying by 5 until you reach 15.
5×1=5
5×2=10
5×3=15
So, the missing number is 3.
Fill in the missing number.
____×2=14
You can find the missing number by using a multiplication fact you know. Or, you can list facts for multiplying by 2 until you reach 14.
1×2=2
2×2=4
3×2=6
4×2=8
5×2=10
6×2=12
7×2=14
So, the missing number is 7.
Fill in the missing number.
4 ×____=20
You can find the missing number by using a multiplication fact you know. Or, you can list facts for multiplying by 4 until you reach 20.
4×1=4
4×2=8
4×3=12
4×4=16
4×5=20
So, the missing number is 5.
Let’s practice!🖊️
