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).

More About Basic Facts

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

Video Examples: Basic Fact


Examples of Basic Facts

    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
    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.

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