Vocabulary
2a and 5a have the same pronumerals of a.
We call them ______ terms
Like
Express the sum of 3a and 5b
Simplify:
4x + 5x - 3y
9x - 3y
Write in expanded form:
5abe
5 x a x b x e
How many letters are there in the alphabet?
26
in the term "5n"
We call the "n" in that term a ______
pronumeral
Express the product of 5m and 4n
5m x 4n
Simplify:
p + 15 - 5
p+10
Simplify
3t × 4y × z
12tyz
How many states are there in Australia?
6
New South Wales, Queensland, South Australia, Tasmania, Victoria, and Western Australia
What is the number in front of a variable?
Coefficient
What are the pronumerals in this expression:
4t + 3v + 6
t and v
Simplify:
3 x b x 2a
6ab
Write in expanded form:
5abcdefg
5 x a x b x c x d x e x f x g
How many sides does Octagon have?
8
What the mathematical language to represent operations between terms?
Example: 3a + 5
Expression
How many terms are there in this expression?
10 + x + 5y - 7 + 8t - m + n - k + 3u
9
Simplify:
4a ÷ 3b
9a
3b
Simplify
6a ÷ 4bc
3a
2bc
How many planets are there in our solar system?
8
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune
(The Sun and Moon do not count as planet)
What do you call a term that only has number and no letters?
Example: 5
expression
Identify the constant(s):
6 - 7m + 24 - 2b
6 and 24
Simplify:
a + a + a + a + a + a + a + a + a + a + b
10a + b
Simplify:
(4 x b × c) ÷ (3 x a × d)
4bc
3ad
How many bones does a human body have?
a) 203
b) 204
c) 205
d) 206
d) 206