Rational Numbers
Crossword
Complete the crossword, then click on "Check" to check your answer. If you are stuck, you can click on "Hint" to get a free letter. Click on a number in the grid to see the clue or clues for that number.
1
2
3
4
5
6
7
8
Check
Across:
1.
Whole numbers are not closed under ____________.
4.
x + 2 = 13
is solved when x = 11, because this value of x satisfies the given equation. The solution 11 is a ________number
5.
a is the _________ of – a
6.
Integers are _______ under addition.
Down:
2.
for any two rational numbers a and b, a + b is a _________ number.
3.
____________ numbers are not closed under division.
7.
when you multiply any rational number with 1, you get back the _____________rational number as the product
8.
Rational numbers are not closed under ___________.
OK