**Definition of Basic Facts**

- In Basic Facts, the arithmetic operations such as addition, subtraction, multiplication, and division are performed mainly by using the one-digit numbers (1 to 9).

**More about Basic Facts **

- Addition fact is converse to the subtraction fact.
- Multiplication fact is converse to the division fact.

**Examples of Basic Facts **

- 5 + 7 = 12
- 8 - 5 = 3
- 3 × 4 = 12
- 18 ÷ 2 = 9

**Solved Example on Basic Facts**

Which division fact could be used to find 8 × 9?

Choices:

A. 72 ÷ 36 = 2

B. 72 ÷ 4 = 18

C. 72 ÷ 18 = 4

D. 72 ÷ 8 = 9

Correct Answer: D

Solution:

Step 1:8 × 9 [Original expression.]

Step 2:8, 9 are factors and 72 is the product. [8 × 9 = 72.]

Step 3:Product becomes dividend, factors become divisor and quotient for division fact.

Step 4:So, 72 ÷ 8 = 9 and 72 ÷ 9 = 8 are the division facts.

Step 5:Here, 72 ÷ 8 = 9 is the division fact.

**Related Terms for Basic Facts **

- Addition
- Subtraction
- Multiplication
- Division
- Inverse Operation