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Mathematics / Arithmetic Operations on Numbers

Mathematics / Arithmetic Operations on Numbers

Arithmetic operations are an integral part of our everyday life. We need to know Addition, Subtraction, Multiplication and Division well.  We use these operations during money transactions while shopping, while dividing chocolates and cakes among friends or while organising a school trip, and many more occasions.

Can you think of more scenarios where we use arithmetic operations in our everyday life?  

Addition and SubtractionMultiplication and Division

Exercises
Lessons
Topics
Exercises
Lessons
Topics
  • Multiplication - SmartTest

    SmartTest on Multiplication

    • Accessed by: 130 Students
    • Average Time: 00:35:45
    • Average Score: 52.03
    • Questions: 100

    Division - SmartTest

    SmartTest on Division

    • Accessed by: 106 Students
    • Average Time: 00:22:36
    • Average Score: 46.79
    • Questions: 298

    Addition - SmartTest

    SmartTest on Addition

    • Accessed by: 178 Students
    • Average Time: 00:15:52
    • Average Score: 68.40
    • Questions: 101

    Subtraction - SmartTest

    SmartTest on Subtraction

    • Questions: 100
    • Introduction to Mathematical Operations
    • Addition
    • Subtraction
    • Multiplication
    • Division
    • Mixed problems
  • Subtraction

    Lesson on Subtraction

    Multiplication

    Practice Multiplication

    • Accessed by: 127 Students

    Addition

    Addition - Pop the right balloons

    • Accessed by: 125 Students

    Subtraction

    Learnhive lesson on Subtraction

    Division - Equal Distribution

    A learnhive lesson on Introduciton to division. Explains division as equal distribution

    • Accessed by: 164 Students

    Long Division

    Practice long division and become a pro in division. Learn division words like divisor, dividend, quotient and remainder.

    • Accessed by: 164 Students

Factoids

Fun with multiplication by 11:
Let us learn an easy way of multiplying numbers by 11:

For 2 digit numbers : Add the two digits and place them in-between the two digits.
Example 1: 27 * 11 = 297
Example 2: 84 * 11 = 924 – For sums greater than 9, carry over the 1 to the previous digit.
 

For 3 digit number:  Add the first 2 digits and the last two digits and place the sums in between the first and the last digits in the same order.
Example 1: 163 * 11 = 1793
Example 2: 338 * 11= 3718 - For sums greater than 9, carry over the 1 to the previous digit.
Example 3: 274 * 11 = 3014 - For sums greater than 9, carry over the 1 to the previous digit.
Example 4: 584 * 11 = 6424 - For sums greater than 9, carry over the 1 to the previous digit.

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