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Year 8 Number and Algebra Revision Flashcards | StudBud
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Year 8 Number and Algebra Revision
Year 8 Number and Algebra Revision
31 terms
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A #maths #blindquiz to #revise the #basics of #algebra and #number to #year8
Flashcards
31 cards
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Questions
31
Answers
1
When a positive number is multiplied by a negative number, the answer will always be...
Added
Multiplied
Positive
Negative
2
What is -2 squared?
-4
4
8
-8
3
Evaluate the expression 2x - 3y where x = 10 and y = 4.
240
28
200
8
4
What is the answer to: 4 - 8 x -1?
12
4
-12
-4
5
Simplify: 3 x 3ab.
6ab
9ab
9b
9a
6
Describe the following expression in words: 3 + x
Three plus x
Three x
Three times x
X times three
7
Solve for a: a + 12 = 19
19
12
7
-4
8
What does the B in BOMDAS stand for?
Below
Bar graph
Base
Brackets
9
If two negative numbers are multiplied together, the answer will always be...
Positive
Triple
Negative
Double
10
When two positive numbers are multiplied by each other, the answer will always be...
Positive
Doubled
Halved
Negative
11
Any integer multiplied by zero is equal to zero.
False
True
12
Solve for x: 6x -8 = 46
9
6
8
38
13
What is the answer to -20 x -20?
40
-40
400
-400
14
What is the answer to: -6 x ((-1 + 3) x -4)?
48
-48
-96
96
15
Simplify the following: 2f + 7f + 8 + 4.
21f
19f + 12
21
14f + 12
16
What is a pronumeral?
A group of letters.
3x
A variable.
A letter than can represent a number.
17
If a = -3 and b = 6, what does (a + b) x 2 equal?
-6
6
-18
18
18
What is a factor?
17 x 24
Another that makes another number double.
The number that is equal to two multipliers.
A number that can divide evenly into the multiple.
19
If donuts cost $2 each and hotdogs cost $3, what is the cost of s donuts and k hotdogs?
5(s + k)
s + k
5sk
2 s + 3k
20
What is the answer to 4 x -5?
9
20
-20
-9
21
What is an integer?
A positive or negative whole number.
A positive or negative whole number, including zero.
All positive or negative numbers
Any number greater than zero.
22
Maria bought 3 identical plants from the nursery. She spent $21. How much was it per plant?
$10
$18
$3
$7
23
What does the big green tick in this picture mean?
square root of x
divide by x
x squared
x times 4
24
In AFL, the score is 6x + y. (x is goals & y is behinds). What is the score x = 8, y = 10?
80
18
48
58
25
What is the answer to: -2 x 3 x 5?
10
30
-10
-30
26
Which expression is this: The sum of b and c multiplied by 2?
b + c x 2
(b + c) x 2
2bc
bc x 2
27
What does substitution mean?
Taking away.
Finding the answer.
Using letters for unknown numbers.
Putting numbers where letters are.
28
How many terms are in this expression: 3x + 4 ?
3x
+4
2
x
29
What is the highest common factor of 12 and 40?
4
40
2
12
30
What is the expanded form of 3(a + b)?
a + 3b
3a + 3b
3a + b
3ab
31
If a = -2 and b = 5, what does a + b equal?
-3
-7
7
3
