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Worksheetscompute diffrences of rational numbers <3
Total questions: 10
Worksheet time: 5mins
Is the sum of -7 + 5 positive or negative?
negative
positive
Which direction would the first arrow go on the number line model for:
-8 2/7 + -4 8/9
top
bottom
left
right
What is the sum of -6 and 2 3/4?
-31/4
-16/7
16/7
-31/9
The way in which three numbers are grouped when they are added or multiplied does not change their sum or product.
comutative property
distributive property
Associative property
identity property
Which property does this represent:
3(9+4)=3.9+3.4
associative property
distributive property
identity property
commutative property
Which property does this represent:
(5 + 7) + 6 = 5 + (7 + 6)
distributive property of addition
commutative property of addition
identity property of addition
associative property of addition
Simplify using the distributive property:
3(2c - 5)
9c-10
6c-15
14c-55
4c-12
What property allows this statement to be true?
ab = ba
associative property of multiplication
commutative property of addition
idendity property of subtraction
distributive property of division
Which property does this represent:
7(x + 9)= 7x + 63
distributive property
associative property
identity property
commutative property
Giuseppe was solving the problem:
(-8/8/13+12/3/4) +(-12/3/4)
He changed the problem to:
-8/8/13+(12/3/4+-12/3/4)
What property did Giuseppe use?
identity
commutative
associative
distributive
