WorksheetsRational Numbers
Total questions: 15
Worksheet time: 33mins
What is the additive identity for rational numbers?
What is known as the multiplicative identity for rational numbers?
What is the negative or additive inverse of a rational number?
What is the reciprocal or multiplicative inverse of a rational number?
What property states that rational numbers follow distributive property of multiplication over addition?
Fill in the blanks. a. 2 3 7 8 1 3 2 3 7 8 2 3 ́- = ́- ....................... . b. 9 8 ́ ....................... = -9 8 . c. Reciprocal of -3 7 is ....................... . d. 6 7 3 4 9 += ....................... ++ 3 4 9 . e. The product of two rational numbers is always a ....................... . f. The numbers ....................... and ....................... are their own reciprocals. g. The product of a positive rational number and a negative rational number is always ....................... .
Is 1 0 the multiplicative inverse of 0? Why or why not?
Multiply 3 13 by the reciprocal of 9 26 .
Find (x + y) ÷ (x - y), if x = 1 4 and y = 3 2 .
All integers are rational numbers. Are all rational numbers integers? Justify your answer with an example.
Rational numbers are not closed under ..................................... .
addition
multiplication
subtraction
division
We can find ..................................... numbers between two rational numbers.
one
two
three
infinite
Multiplicative inverse of -7 is ...................................... .
-1/7
1/7
1
0
Verify that -- () =xx for the given value of x.
17
-22
2
-7
1
Which of the following is equivalent to 2/5?
5/2
6/15
4/5
None of these
