Class 3 Maths - CBSE
Give and Take
The chapter 'Give and Take' helps Class 3 CBSE students master mental math, addition, and subtraction of two-digit and three-digit numbers. Students learn practical arithmetic skills like carrying over (regrouping) and borrowing through fun everyday situations involving buying, selling, and collecting items. This chapter builds a strong foundation for advanced mathematical operations tested in school exams. Mastering these concepts improves calculation speed, logical thinking, and problem-solving abilities, which are essential for scoring high marks in mathematics assessments.
Start Learning FreeKey Concepts
Mental Addition
Adding numbers quickly in your head by breaking them down into hundreds, tens, and ones without using pen and paper.
Addition with Regrouping (Carrying)
When the sum of digits in a column is 10 or more, we carry over the tens digit to the next column on the left.
Subtraction with Borrowing (Regrouping)
When a top digit is smaller than the bottom digit, we borrow 1 from the neighboring column to make subtraction possible.
Checking Subtraction with Addition
You can check if your subtraction answer is correct by adding the difference to the smaller number to get the original larger number.
Word Problems in Daily Life
Solving practical math stories by identifying whether you need to give (add) or take (subtract) items or money.
Important Formulas
Board Exam Info
In CBSE Class 3 Mathematics exams, this chapter typically carries around 8 to 12 marks. Common question types include direct column addition and subtraction, fill-in-the-blank number puzzles, checking answers, and simple 2-step word problems based on shopping and collecting objects.
Frequently Asked Questions
How do I know whether to add or subtract in a word problem?
Look for keywords. Words like 'total', 'altogether', 'sum', and 'more' mean you should add. Words like 'left', 'remain', 'less', and 'take away' mean you should subtract.
What should I do if the top digit is smaller during subtraction?
You need to borrow 1 from the neighboring tens or hundreds column to make the top digit large enough to subtract.
Why is it important to align numbers properly in columns?
Aligning numbers by their place values (ones under ones, tens under tens, hundreds under hundreds) ensures you do not make mistakes while adding or subtracting.
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