What is FALSE about integers?

Are set of whole numbers and their opposites.

What is FALSE about absolute value?

Not all integers have an absolute value.

12 is the only solution of the equation.

What is FALSE about composite numbers?

its factor pairs are fewer than two

What does it mean to evaluate an algebraic expression?

Replace each variable with a number and then simplify.

What is FALSE about an equation?

Only one side should be worked on to keep it balanced.

What is true about a prime number?

it has exactly two factors, 1 and itself

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Grade 7 Revision: Part 1

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Grade 7 Revision: Vocabs

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Questions 19

Answers

1
All rational numbers can be written in fractional form?
True
False
2
Choose the correct answer.
b
c
a
d
3
Two integers are relatively prime
if 1 is their only factor
when two or more integers are inverses
if the integers are additive inverse
when 1 is their factor
4
What is FALSE about integers?
Is infinitely many.
Are set of whole numbers and their opposites.
It has positive and negative numbers, and including zero.
Although ZERO means nothing, it is an integer.
5
What is FALSE about absolute value?
Its symbol looks like ELEVEN or lowercase L.
It is the number's distance from zero on the number line.
Not all integers have an absolute value.
Since it relates to distance, it's always positive.
6
Describe the picture.
numerical expression
an algebraic equation
order of operation
an equation
7
Analyze the picture.
There could be other values of y to make the equation true.
12 is the only solution of the equation.
-12 could also be an alternate solution of the equation.
y = 12 is the proper way of writing the answer.
8
A whole number is _____ another when the quotient is a whole number and the remainder is 0.
multiple of
exactly similar to
a factor pair of
divisible by
9
What is FALSE about composite numbers?
its factor pairs are sometimes many
they have more than two factors
its factor pairs are fewer than two
they can be an even or an odd number
10
What can be said the two symbols?
They are inverse operations.
They are essentially the same.
They are additive inverses.
They undo each other most of the time.
11
A ___ is a whole number that divides another whole number with a remainder of 0.
multiple
GCF
LCM
factor
12
What does it mean to isolate a variable?
Make sure it will be at the other side of the equation, too.
Do not use it in finding a solution.
It means ignore the variable.
Get it alone on one side.
13
What does it mean to evaluate an algebraic expression?
Isolate each variable with a number and then simplify.
Perform PEMDAS.
Replace each variable with a number and then simplify.
Simplify each variable and constant with a number.
14
What is FALSE about an equation?
Only one side should be worked on to keep it balanced.
It has two sides.
It's a mathematical sentence with an equal side.
It can be compared to a balance scale.
15
Mew replaced a numerical expression with its simplest name. Name the step that she made.
c
d
b
a
16
What is true about a prime number?
it has exactly two factors, 1 and itself
it has two factors
it has two factors, 1 and itself
all of the above
17
The ___ of two or more numbers is the greatest number that is a factor of all numbers.
multiple
LCM
factor
GCF
18
What can said about the pair of number?
They have the distance on a number line.
Their sum is -16.
Their difference is 16.
They are opposites.
19
Why did mathematicians established a standard ORDER OF OPERATIONS?
To avoid guilt.
To avoid each other.
To avoid embarrassment.
To avoid confusion.

Grade 7 Revision: Part 1 Flashcards | StudBud