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.

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