Algebraic Expressions and Variables
Quiz
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
AMIRUL SHAHRIL BIN AZHAR KPM-Guru
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why are letters used in algebraic expressions?
To make math problems harder
To represent unknown quantities or values
To replace numbers completely
To write longer mathematical equations
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a variable in mathematics?
A number that never changes
A quantity that is always constant
A quantity that can change or be unknown
A symbol used only in geometry
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Encik Naufal donates the same amount of money every month. What type of variable is this amount?
Fixed value variable
Varied value variable
Unknown quantity
Profit-dependent variable
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Miss Sofea's donation depends on the profit earned from her shop. What type of variable is her donation amount?
Fixed value variable
Varied value variable
Constant quantity
Known amount
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Is the mass of each student in a class a fixed value or a varied value?
Fixed value
Varied value
Constant value
Always the same
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A bag contains x blocks. If 4 blocks are taken out from the bag, what is the total number of blocks remaining?
x + 4
4 - x
x - 4
4x
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Two bags each contain x blocks. Another bag contains y blocks, and 2 extra blocks are added. What is the total number of blocks?
x + y + 2
2x + y + 2
2(x + y) + 2
x + 2y + 2
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