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M7U1L2_ Calculation of rational numbers
Game Code: 607412
English
7
Public
Grade 7 - Ismart Education of Hanoi
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Leonard Reeg
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The opposite of a positive rational number is ___________.
a negative rational number
a positive rational number
do not exist
can be either a positive or a negative rational number
20
Choose the correct property illustrated below.
none of the above
commutative property
distributive property
associative property
10
The product of a non-zero number and its _______ is 1.
successor
opposite
predecessor
reciprocal
15
Which of the following is the opposite of 45?
-45
-1/45
45
1/45
20
Choose the correct property illustrated below.
none of the above
distributive property
commutative property
associative property
10
The sum of two rational numbers is always __________ .
a whole number
a rational number
an integer
a natural number
25
Choose the correct property illustrated below.
none of the above
associative property
commutative property
distributive property
20
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