﻿ Definition and examples of basic facts | define basic facts - algebra - Free Math Dictionary Online

# BASIC FACTS

## 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).

• Addition fact is converse to the subtraction fact.

• Multiplication fact is converse to the division fact.

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

### Solved Example on Basic Facts

#### Ques: 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

#### 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.

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