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42 min: Math operations, order/name operators, arithmetical laws, part/% of a number, variables Flashcards | StudBud
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42 min: Math operations, order/name operators, arithmetical laws, part/% of a number, variables
42 min: Math operations, order/name operators, arithmetical laws, part/% of a number, variables
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#Math #Arithmetical #Operations
Flashcards
30 cards
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Questions
30
Answers
1
How to find the difference?
Divisor : Dividend
Dividend : Divisor
Subtrahend - Minuend
Minuend - Subtrahend
2
Printer cost 33$ and scanner 3 less. How much do scanner cost?
30$
11$
99$
36$
3
6
2
=36. Here 6 is ...
Base of a power
Index of a power
Exponent of a power
Value of a power
4
What is the synonym of an exponent?
Power
Base
Index
Value
5
A lemon weighs 40 grams and orange--250 grams. How many % of lemon is the weight of the orange?
10%
4/25 %
6 1/4 %
16%
6
How 2
3
can be called?
"Two in the power of three"
"Value of a power"
8 or "Value of a power" or "Two in the power of three"
8
7
3 same notebooks have 120 pages in total. How many pages 4 books have?
120 pages
90 pages
480 pages
160 pages
8
Which law do you use to open brackets in (1+1/8)*3 = 1 * 3 + 1/8 * 3 = 3+3/8
Associative law of multiplication over addition
Distributive law of multiplication over addition
Commutative law of addition over fraction
Commutative law of multiplication
9
What is an index of a power in 3
4
=81 ?
81
3
4
34
10
Sam had a holiday from 1 till 28 of February. How many weekend days are in this period?
exactly 98 weekends
exactly 8 weekends
exactly 27 weekends
exactly 4 weekends
11
What is the difference between 100 and 1?
100% = 100/100 = 1/1 = 1. Actually, there is no difference!
100 is 100 times more than 1
99
100 is a three digit number, but 0 is a one digit number
12
Which example shows how to use commutative law of addition?
14*9 = 10*9+4*9
4 = 1+1+1+1
5+5+1+20+20 = (5+5) + 1 + (20+20)
1+2+3+4+5+6+7+8+9 = 1+9+2+8+3+7+4+6+5
13
Cost of a TV is 60% of printer cost. How much do TV cost, if printer cost 45 $?
27 $
45 $
44 dollars and 40 cents
75 $
14
What arithmetical law is used in the example: 6*51 = 6*50+6*1 = 300+6 = 306
Commutative law of multiplication
Associative law of addition
Distributive law of addition
Distributive law of multiplication over addition
15
Which pronunciation of 3/4 is WRONG?
"Three over four"
"three forties"
"Three divide by four"
"Three quarters"
16
Cost of a TV is 3/5 dollar less than printer cost. How much do TV cost, if printer cost 45 $?
27 $
45 $
44 dollars and 40 cents
75 $
17
Wow many addends in 2+2+2=6 ?
2
1
3
6
18
What is 5 in 32-5=27 ?
Minuend
Variable
Difference
Subtrahend
19
How to find x in A-x=C ?
A+C
A-C
C+A
C-A
20
Printer cost 33$ and scanner 3 times more. How much do scanner cost?
30$
36$
99$
11$
21
Cost of a TV is 3/5 of printer cost. How much do printer cost, if TV cost 45 $?
75 $
45 $
27 $
44 dollars and 40 cents
22
What is the correct sequence how to perform arithmetical operations?
power, brackets, multiply, divide, subtract, add.
add and subtract, divide and multiply, power, brackets
brackets, power, multiply and divide, subtract and add.
add, subtract, divide, multiply, brackets, power
23
What is a 2 in here: 2+2+2+2 = 8
Sum
Factor
Addend
Addition
24
Which of the following laws exist?
Associative law of addition over multiplication
Associative law of subtraction
Commutative law of multiplication
Distributive law of addition
25
Which law is NOT used in here: 14*5*4*3 = (14*3) *(5*4) = 62*20 = 62*10 + 62*2 = 620+124 = 744
Commutative law of addition
Associative law of multiplication
Distributive law of multiplication over addition
Commutative law of multiplication
26
How to find a minuend?
subtrahend - minuend
minuend - subtrahend
subtrahend + difference
subtrahend + minuend
27
What is the value of 2+5*(4-2)+27:3
2
93, because: 2+10+92 = 12+81 = 93
95, because: 7*2+92 = 14+81 = 95
17, because: 7*2+27:9 = 14+3 = 17
15, because: 2+10+27:9 = 12+3 = 15
28
Which of the following schemes are correct one:
Dividend : Quotient = Divisor
Dividend : Divisor = Quotient
Quotient : Dividend = Divisor
Divisor : Dividend = Quotient
29
What is a 6 in here: 6:36 = 1/6
Dividend
Divisor
Numerator
Quotient
30
Find the missing word in this sentence: "Dividend is a ... of a divisor and quotient"
difference
power
sum
product
