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1. Fill in the blank
i) _____________ is a factor of every number.
ii) Only even prime number is ___________.
iii) If sum of digits of a number is divisible by 9 then number is divided by _______.
2. Match the following
i) A number which is exactly divisble by 2 odd numbers
ii) A number which is not exactly divisible by 2 even numbers
iii) A natural number greater then 1 which has no prime numbers
factors except 1 and itself.
3. Put ( ) on correct answer.
i) The smallest prime number is
a)  1                  b)  2                   c) 3                   d)  -1
ii) Which of these number is divisible by 2, 10, 5.
a)  3240             b)  6215            c) 8102              d)  2341
iii) HCF of 11 and 77 is
a)  11                 b)  77                  c) 7                   d)  1
4. Write first five multiples of 8.
5. LCM of 7 and 8 is _________ .
6. HCF of two consecative numbers is __________ .
7. Complete the factor tree
84
2 42
21 ?
? ?
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FAQs on Assignment: Playing with Numbers - Mathematics & Pedagogy - CTET & State TET

1. What are some common mathematical operations involving numbers?
Ans. Common mathematical operations involving numbers include addition, subtraction, multiplication, and division. These operations are used to perform computations and solve various mathematical problems.
2. How can I perform addition and subtraction of numbers?
Ans. Addition is the operation of combining two or more numbers to find their total, while subtraction is the operation of finding the difference between two numbers. To perform addition, you simply add the numbers together, and to perform subtraction, you subtract one number from another.
3. What is the process of multiplying numbers?
Ans. Multiplication is the process of repeated addition. To multiply two numbers, you multiply the first number by the second number. For example, to multiply 3 and 4, you would add 3 four times or multiply 3 by 4, resulting in 12.
4. How does division work with numbers?
Ans. Division is the process of splitting a number into equal parts or finding how many times one number can be divided by another. To divide two numbers, you divide the dividend (the number being divided) by the divisor (the number dividing the dividend). The result of division is called the quotient.
5. Can you provide an example of a mathematical equation involving numbers?
Ans. Sure! An example of a mathematical equation involving numbers is: 5 + 3 x 2 - 4 / 2 = 10. In this equation, the numbers are combined using addition, multiplication, subtraction, and division. By following the order of operations, we first perform the multiplication (3 x 2), then the division (4 / 2), and finally the addition and subtraction. The result of this equation is 10.
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