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FAQs on Textbook: Whole numbers (Term 1) - Mathematics for Grade 6

1. What are whole numbers?
Ans. Whole numbers are the set of numbers that include all the natural numbers (0, 1, 2, 3, ...) without any fractions or decimals. They start from zero and go on infinitely.
2. How do you add whole numbers?
Ans. To add whole numbers, you simply combine the values together. You can start from the rightmost digit and move to the left, carrying over any values as needed, just like in regular addition. For example, 23 + 15 = 38.
3. What are some properties of whole numbers?
Ans. Some properties of whole numbers include the commutative property (a + b = b + a), the associative property ((a + b) + c = a + (b + c)), and the identity property (a + 0 = a). Whole numbers are also closed under addition and multiplication, meaning the sum or product of two whole numbers is always a whole number.
4. How do you subtract whole numbers?
Ans. To subtract whole numbers, you take the value of the second number away from the first. If the first number is smaller than the second, the result will be negative, which is not a whole number. For example, 10 - 4 = 6, but 4 - 10 would not be a whole number.
5. Can whole numbers be negative?
Ans. No, whole numbers cannot be negative. Whole numbers start from zero and include all positive integers. If a number is less than zero, it is considered a negative integer, not a whole number.
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